DescriptionSpool:High-quality material: The wire is made of high-quality nylon material, anti-tear and durable to useLong-lasting: Wear-resistant, reducing the need for frequent replacementsOptimal trimming: Ideal for cutting lawns, ensuring precise and efficient trimming resultsEasy installation: Convenient to replace, installs in just a few secondsSpool Cap:High-quality plastic: Made of high-strength plastic material, good toughness and excellent wear resistanceEffective protection: Protects your spool and line, ensuring safe operation of your string trimmerEasy installation: Convenient to replace, installs quickly in just a few secondsSpecification:Nylon rope: 1.6mm sky blue roundLength: 20FT/6.1MSize: Spool: 55*24mm, Spool Cap: 74.5*35mmCompatible with:Kobalt 40V cordless string trimmer, item number 506886 (Model KST 120X-06)Kobalt 40V cordless string trimmer, item number 651246 (Model KST 120X)Package includes:10 x Spool2 x Spool CapOther things not included