This pneumatic accessory is designed to enhance the performance of your air hammer. The spring retainer ensures that the bits are securely held in place, providing stability and precision during use. Ideal for automotive repair and construction tasks. Features -Color:Black -Material:Steel -Size:4.50X3.50X3.50cm/1.77X1.38X1.38in -High elasticity: made from sturdy materials, these springs offer exceptional elasticity, significantly enhancing work efficiency -Durability: specially treated for extended lifespan, these springs can withstand prolonged high-intensity use -Stability: thoughtfully designed to maintain a stable working state, reducing operator fatigue -Easy installation: simple installation process that requires no professional tools, making it convenient and quick -Versatility: suitable for various work scenarios, meeting different usage needs Package list: 4 x air hammer springs