Made of ABS material, high strength, good toughness, excellent wear resistance Suitable for Bosch ART 30-36 LI or ART 24 or ART 27 or ART 30 or ART24and or ART 27and or ART 30and (Models 2016 Onwards) Protect your spool and line, and let your lawn trimmer work safely Quickly and easily snap into place without tools for efficient coil replacement Specifications: Material: ABS Size: 33x75mm Please Note: Wear eye protection and long pants when using this product to avoid injury. Compatible with: Bosch ART 24 Bosch ART 30-36 LI Bosch ART 27 Bosch ART 30 Package included: 1 x Spool Cover Other items not included Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.