Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers praise the pre-wound spools for their ease of installation and quick swap design, eliminating tedious manual restringing. Most highlight compatibility with Kobalt trimmers and appreciate keeping backup spools ready for uninterrupted work. Reviewers note the line cuts through weeds effectively and lasts well during vigorous use. However, some report fit issues with specific trimmer models, and a few mention the line quantity per spool feels insufficient for the price. Overall, most customers find the convenience and performance worthwhile despite occasional compatibility concerns.
Customer review summary generated by AI, including incentivized reviews.What an expensive pain
Would Not RecommendThis is the second spool I’ve bought. The linen will not advance. You have to pull it out by hand. And on .25 acre I didn’t get 2 full rounds. Over priced and poor quality. I regret buying the trimmer because of this.
Doesn't advance
Would Not RecommendTap it all day and it won't advance the line. The line itself breaks faster than anything I have ever used.
Verified Purchaser
Hi there, Martin! We're sorry you're disappointed with your Kobalt trimmer line and bump head. We’d love to help but will need additional inf...

Replacement spools for Kobalt electric trimmer
The ease of using these spools in my trimmer.
Verified Purchaser
Good system
Would RecommendEasy to install and easy to replace. The line itself itself is middling tough, but does the job pretty well. The trimmer itself works really well and when it comes time to replace the line, I just pop out the old spool and pop in the new one. This Kobalt battery operated trimmer is the best I have ever used, because of the design and because of this line replacement spool system.
Verified Purchaser
Stock up since you have to have it shipped
Would RecommendWould have been cool to buy in store. They carried black and decker, not Kobalt? The home brand.
Verified Purchaser
Will keep buying
Would RecommendLove this product works very well
Verified Purchaser
Great trimming job
Would RecommendLike the efficiency and reliability
Verified Purchaser
Hard to replace
Would Not RecommendThere are no explanations for removing the bump cap from. Previous reel. I ended up getting the string and rewinding the Previous reel.I have trimmer manual and no explanation for exchanging reels, just rewinding trimmer strings
Verified Purchaser
Hello Valued Lowe’s Customer,
We're sorry to hear that your purchase fell below expectations and would like to hear more about your experie...

The trimmer spool did not fit.
Would Not RecommendThis must be a manufacturer's goof-up. We got the "item number" and placed the order for pickup. The employee was very nice, but we found that this product did NOT fit our 40 volt Kobalt weed trimmer.
Verified Purchaser
Hello valued Lowe’s customer! We’re sorry to hear that your purchase fell below expectations and would like to hear more about your experience to see...

Dual-Line replacement spool (43572114)
Would RecommendBought this weed trimmer, that was recommended for me and bought the two spools for when I needed to replace line, ran out of line, thought good thing I bought extra, hahaha, DOES NOT FIT and now I need to travel 25 miles to get line to fit my trimmer, THANKS!!!
will let you know
hope to be easy to install
Verified Purchaser

Hello there! We are sorry to hear that this was your experience with our String Trimmer Line, and we appreciate you bringing this to our attention. W...