-Wound: The spool is 13.2ft in length and 0.063 inch in diameter and wound for maximum reliability and uncompromised performance. Compatible with for EasyGrassCut 23, 26, 18, 18-230, 18-260, 18-26. Premium : spool replacement is made of durable ABS material and polyamide nylon thread. Pliable, flexible and long-lasting. Easy to Use: Snap-in installation for quick and easy replacement without tools. Professional machine cutting and automatic bobbin winding is and less time consuming than manual bobbin winding, reducing damage to the grass trimmer and eliminating snags when mowing. Warm Tip: Strong centrifugal force and fast cutting during use. Please wear eye protection and long trousers to avoid unnecessary injury. Material:ABS, nylon colour:Black Package Contents: 6 x Spool & Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.