Pre-wound: The coil wire is 13.2 feet long, 0.063 inches in diameter, factory wound for maximum reliability and uncompromising performance. Compatible with EasyGrassCut 23, 26, 18, 18-230, 18-260, 18-26. Premium Quality: Our coil replacements are made of durable ABS material and polyamide nylon wire. Bendable, flexible and long-lasting. Easy to Use: Snap-on installation, quick and easy replacement without tools. Professional CNC machine cutting and automatic coil winding saves time than manual coil winding, reduces damage to the grass trimmer and eliminates dirt when mowing. Hot Tips: Strong centrifugal force and fast cutting speed when using. Please wear goggles and long pants to avoid unnecessary injuries. Material: ABS, Nylon Color Black Package Contents: 6 x Reels and Lines Only the above package contents are included, no other products are included. Note: Light and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The allowed measurement error is +/- 1-3 cm.