High-quality materialThe valve body cover is made of high-quality ABS material, with stable performance, impact resistance, cold resistance and oil resistance, strong and durable. The spring is made of carbon steel, which has good elasticity and does not deform. Easy to InstallInstall the trimmer cover into the bottom slot of the trimmer, press and twist until the latch is locked to complete the installation. Easy to install, so you don't need to buy a new lawn mower.Unique DesignAfter special design, the edge has a longer service life on the rough surface. Aerodynamics can reduce pipe noise and vibration. Compatible ModelsThe spool cover replacement is compatible with Black+Deacker RC-100-P lawn mower models such as GH400, GH500, GH600, CST1000, CST2000, NST2018, ST7000, ST6600 and ST7700. Scope of applicationThe valve body cover is suitable for terraces, lawns, terraces, gardens, crops, landscaping, landscaping, etc. It is an ideal choice for replacing old or damaged valve body covers and springs. Product Features: - High quality ABS and carbon steel material, with good stability, impact resistance, cold resistance and weather resistance. - No need to buy a new lawn mower, the valve body cover can be easily replaced. - It is an ideal choice for decks, lawns, patios, gardens, crops, landscaping, etc. 16 Package Contents: Bobbin Cover * 8 Springs * 8 Warm Notice: 1. Please allow a little size error due to manual measurement. 2. Due to lighting effects and monitor's brightness/contrast settings etc. , the color tone of the photo and the actual item could be slightly different.