General description The 12 Pack Strimmer Line Spools are designed for compatibility with Black & Decker brush cutters, specifically models A6481 and A6485. These spools feature a 1.65mm strimmer line that automatically feeds through the brush cutter, utilizing centrifugal force to simplify operation and reduce manual effort during use. Technical specifications Quantity: 12 strimmer lines Line diameter: 1.65mm Material: Improved polyamide nylon Tensile strength: Over 100 pounds Includes: 3 spool covers and 3 springs Usage Designed for efficient cutting of weeds and grass Flexible and pliable line that cushions impact with hard surfaces Increases cutting efficiency by 50% Other information Excellent after-sales service and product quality guarantee