Features Cushioning Effect: 150, 190 and 250 Universal air hammer retaining spring can buffer working machines. It is a very practical auxiliary tool accessories. Compact Structure: The air shovel buffer spring has a compact structure and is easy to install, but the small shape has a huge buffer energy, which is very useful. Selected Carbon Steel Materials: The universal buffer spring is made of selected carbon steel materials. It has the characteristics of stable and durable and adapt to long -term use. Easy to Carry and Storage: The universal buffer spring of air shovel is made strictly in accordance with standards, with reliability and high accuracy, small size, light weight, easy to carry and store, and easy to use. Ideal Replacement: For the broken or old parts, the buffer spring will be a good alternative part, which can be replaced directly, which is very convenient. Features: 1. New. 2. There is a 150, 190 and 250 general air hammer retaining spring which can cushion the working machine 3. Made of carbon steel material, durable to use. 4. It is easy and convenient to replace. 5. Small body and stable performance.   Specification: Condition: 100% Brand New Color: Black Material: Carbon Steel Number Of Wire Rings: 8 Turns Weight: Approx. 58g / 2.0oz Outer Diameter of the Spring Ring: Approx. 34.4mm / 1.4in Inner Diameter of Spring Coil: Approx. 28mm / 1.1in Wire Diameter: Approx. 3.18mm / 0.1in   Package List: 1 * Air Hammer Retaining Spring Package List