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 mowing 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 use 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:6 x Spool2 x Spool CapOther items not included