Top 3 Lawn Edger Harbor Freight Options for Clean Lines

By Lauren Holland

Updated November 2026

Shopping for a lawn edger at Harbor Freight means sorting through a store full of trimmers, edgers and replacement parts, and it is easy to grab the wrong thing. This guide looks at lawn edger Harbor Freight shoppers are most likely to consider, with the selection criteria set out first: compatibility with the tool you already own, line or blade type, cutting width, ease of replacement and how well each part is reported to perform for edging duties. Read on to see which options fit which need.

Our Top Picks

Before comparing, one point matters more than any other: a lawn edger from Harbor Freight is usually a trimmer that edges, not a dedicated wheeled edger. For vertical edging along a walk or bed, the cutting line on a trimmer head does most of the work. The three products below are replacement spools and line sized for popular Harbor Freight Bauer string trimmers, so they keep your edging tool running. If you are considering a full edger head or a new machine, see Lawn Edger vs Weed Wacker: Which Should You Choose? first.

Quick Comparison

0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B 20V Cordless String Trimmer

0.065" 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B 20V Cordless String Trimmer (8 Line Spool+2 Cap) String Trimmer Spool for Harbor Freight Bauer 19115C-B 20V Weed Wacker

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Best for: Owners of the 20V cordless Bauer 19115C-B who want a ready supply of replacement line for vertical edging.

This is the most direct fit for someone who already owns the cordless Bauer trimmer and wants to keep edging along driveways and beds. The spool-and-cap package is designed to drop into the matching head without extra adapters.

Key specs

• Line diameter: 0.065 inch
• Line length: 10 ft per cut length, as stated in the listing
• Package: 8 line spools plus 2 caps
• Intended tool: Harbor Freight Bauer 19115C-B 20V cordless string trimmer

Pros

• Multi-spool count means several refills on hand
• Line diameter matches the trimmer’s specified range
• Caps included, so the head is ready to reload

Cons

• Only useful if you own the matching 20V model
• Line will wear faster on rough edges and concrete than on soft turf

Bottom line: The right pick for anyone running the 20V cordless Bauer who needs dependable line for edging work.

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Fit For Worx WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG124 Weed Eater Spool for Harbor Freight Bauer 20115E-B Corded String Trimmer

Fit For Worx WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG124 Weed Eater Spool for Harbor Freight Bauer 20115E-B Corded String Trimmer

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Best for: Owners of the corded Bauer 20115E-B who want a spool that also works across several Worx trimmer heads.

This spool suits households that own a corded trimmer and may have a Worx tool in the garage as well. Compatibility across many models is the main reason to consider it, so check your head’s model number before ordering.

Key specs

• Designed as a spool replacement for the Bauer 20115E-B corded trimmer
• Compatible with the Worx model numbers named in the listing title

Pros

• Wide compatibility list reduces guesswork across tools
• Simple spool replacement, no tools needed in most heads
• Works for both edging and general trimming

Cons

• Broad compatibility claims can mean a slightly looser fit on some heads
• Corded trimmers have limited reach, which limits edging length per session

Bottom line: A sensible choice for corded Bauer owners, especially those who also have Worx equipment.

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0.065″ 7-Sided String Trimmer Line 2-Pack

0.065" 7-Sided String Trimmer Line 2-Pack (1 Spool + 1 Cap) | Pro-Grade Replacement for Harbor Freight Bauer 5.5 Amp, 15 in. Electric String Trimmer 57610 | Factory-Direct Value

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Best for: Budget-minded owners of the 5.5 amp electric Bauer 57610 who want a low-cost, straightforward line replacement.

This two-pack is the simplest way to restock line for the 57610 electric trimmer without buying a larger bundle. The seven-sided profile is intended to cut more cleanly than a round line.

Key specs

• Line diameter: 0.065 inch
• Line profile: seven-sided
• Package: 1 spool plus 1 cap, two-pack
• Intended tool: Harbor Freight Bauer 5.5 amp, 15 in. electric string trimmer 57610

Pros

• Small pack size suits occasional replacement
• Seven-sided profile is generally reported to give a crisper edge
• Straightforward spool-and-cap setup

Cons

• Two spools may not last a full season of heavy edging
• Requires the matching 57610 head to be used as intended

Bottom line: A good fit for owners of the electric 57610 who edge occasionally and want to keep costs modest.

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Buying Guide

Confirm the Tool Model Before You Buy

Harbor Freight sells several Bauer trimmers that look alike but use different spool heads. Check the model number printed on the tool or in the manual. Matching the model is the single most important step, because a line that fits physically may still not feed properly.

Good picks for this: 0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B; 0.065″ 7-Sided String Trimmer Line 2-Pack

Line Diameter and Profile

Most of the listings here specify 0.065 inch line. Thicker line cuts more aggressively and wears faster on concrete edges, while thinner line stays flexible but may break sooner. Seven-sided line is designed to grip and cut more cleanly than round line, which can help with crisp lawn edges.

Good picks for this: 0.065″ 7-Sided String Trimmer Line 2-Pack; 0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B

Cordless Versus Corded Compatibility

A cordless 20V trimmer and a corded electric trimmer have different spool housings, even when the line diameter is the same. Shopping by power type first avoids fitment problems. Corded trimmers also limit how far you can work from an outlet, so plan edging runs accordingly.

Good picks for this: 0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B; Fit For Worx WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG124 Weed Eater Spool for Harbor Freight Bauer 20115E-B

Compatibility Across Brands

Some spools are sold as compatible with several brands. Broad compatibility is useful if you own more than one tool, but it can also mean a looser fit. Compare the compatibility list against your trimmer’s model before ordering.

Good picks for this: Fit For Worx WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG124 Weed Eater Spool for Harbor Freight Bauer 20115E-B

Pack Size and Replacement Frequency

If you edge every week during the growing season, a larger pack avoids frequent trips to the shed. Occasional users can get by with a two-pack. Estimate how many full spool changes you expect per season and buy accordingly.

Good picks for this: 0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B; 0.065″ 7-Sided String Trimmer Line 2-Pack

Durability on Hard Edges

Line wears quickly when it strikes concrete, pavers or steel edging. Owners often report that thicker or profiled line lasts longer on hard surfaces, but no line is immune to wear. Keep the tip of the head well above the walk surface and feed line out in small increments.

Good picks for this: 0.065″ 7-Sided String Trimmer Line 2-Pack; 0.065″ 10Ft Weed Eater Spool Line for Harbor Freight Bauer 19115C-B

Care and Replacement Habits

Clean the spool housing when you reload, check that the cap seats fully, and replace line before it gets too short to feed. Store spare spools in a dry place away from direct sun, which can make line brittle over time.

Good picks for this: Fit For Worx WG105 WG106 WG108 WG109 WG112 WG113 WG115 WG116 WG117 WG118 WG119 WG124 Weed Eater Spool for Harbor Freight Bauer 20115E-B; 0.065″ 7-Sided String Trimmer Line 2-Pack

FAQ

Does Harbor Freight sell a dedicated lawn edger?

Harbor Freight’s lawn care range is built around trimmers, and most edging at the store is done with a string trimmer used in a vertical orientation. Check the store’s current stock or product pages for any dedicated edger models, since availability changes.

Can I use these spools on any Harbor Freight trimmer?

No. Each spool is designed for specific Bauer or compatible models. Match the model number on your tool to the listing before buying. If you are unsure, the owner’s manual will list the correct spool type.

What line diameter should I use for edging?

Most listings here are 0.065 inch, which is the diameter specified for these trimmers. Using a diameter other than the one your head is rated for can cause feeding problems or motor strain.

Is seven-sided line better than round line?

Seven-sided line is generally described as cutting more cleanly because its edges bite into the grass. Round line is quieter and can be more forgiving on delicate plants. For defined edges along hardscape, the seven-sided profile is the more common choice.

How often should I replace trimmer line when edging?

Replace line when it is too short to reach the cutting edge, when it frays into a fuzzy end, or when it breaks repeatedly. Heavy edging along concrete will use line faster than light trimming in soft turf.

Should I consider a manual edger instead?

A manual half-moon edger can produce very precise results along a bed line without any fuel, cord or battery. Compare the two approaches in Manual Lawn Edgers: Half-Moon Edgers and Shears and Lawn Edging Tools: Manual Edgers, Power Edgers, Trimmers.

Conclusion

For most people searching for a lawn edger at Harbor Freight, the practical answer is a trimmer with the right replacement line. If you own the 20V cordless Bauer 19115C-B, the 10-foot spool pack is the most direct fit. Owners of the corded Bauer 20115E-B, especially those who also have Worx equipment, will find the broad-compatibility spool more useful. The 7-sided two-pack suits budget-minded owners of the 57610 electric trimmer who edge occasionally. Confirm your model number first, and for guidance on setting up and using the tool itself, see Power Lawn Edgers: Setup, Safe Use and Care and How to Use Manual Lawn Edger: A Step-by-Step Guide for Clean Lines.

Sources

• Consumer safety guidance on operating powered lawn and garden equipment, including protective gear and blade or line hazards (cpsc.gov)
• Research-based university extension information on lawn edging, turf maintenance and tool use (extension.org)
• Workplace safety recommendations for handheld power tools, including eye and hearing protection (osha.gov)

About Lauren Holland

Lauren Holland is part of our editorial team and reviews and edits our lawn edging & trimming guides, checking product details against manufacturer specifications and owner feedback.