General description Spool caps are essential accessories for brush cutters and lawn mowers, designed to enhance the performance and longevity of your equipment. This set includes 4 high-quality spool caps made from durable ABS and carbon steel, ensuring a long service life and good stability. They are shockproof, cold-resistant, and oil-resistant, making them suitable for various outdoor applications. Technical specifications Material: ABS and carbon steel Spool cover size: 85 x 32 mm Spring size: 23 x 36 mm Color: Orange cover with silver spring Compatibility and accessories Compatible with most lawn mowers, including models: AFS GH400, GH500, GH600, CST1000, CST2000, NST2018, ST7000, etc. Package includes: 4 trimmer spool covers and 4 spool springs Installation Install the included spring on the spool cover in the bottom slot of the trimmer. Press and turn the spool cover until the latch clicks into place to complete the installation. Usage Ideal for replacing old or damaged valve