Pre-Wound: Spool measures 13.2 feet long,0.063 inches in diameter,and is factory wound for maximum reliability and unmatched performance.Compatible with Bosch EasyGrassCut 23,26,18,18-230,18-260,18-26.Premium Quality: Our spool replacements are made of durable ABS material and polyamide nylon thread.Flexible,flexible and durable.Easy to Use: Snap-in installation for quick and easy replacement without tools.Professional CNC machine cutting and automatic reels are safer and less time-consuming than manual reels,reducing damage to the mower and removing obstacles while mowing.Reminder: Strong centrifugal force and fast cutting speed during use.Please wear goggles and long pants to avoid unnecessary injuries.Material: ABS,NylonColor: BlackPackage Contents: 8 x Spools and Threads Only the above package contents are included,other products are not included.Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the real one.Measurement tolerance is +/- 1-3cm