These steel air hammer springs are nice for replacing worn-out or springs in your pneumatic tools. Their sturdy construction ensures they can withstand the rigors of heavy-duty use, making them ideal for both professional mechanics and hobbyists. Improve your tool's performance and extend its lifespan with these reliable replacement springs. Features -Color:Black -Material:Steel -Size:4.50X3.50X3.50cm/1.77X1.38X1.38in -Versatile air hammer springs: these springs are designed to meet the needs of various pneumatic tools, offering flexibility for different tasks - durability: constructed from high strength steel, these springs provide reliable performance over time, reducing the need for frequent replacements and repairs -Enhanced surface protection: the black finish not only adds a sleek appearance but also protects against wear, ensuring the springs maintain their integrity in demanding environments -Quick maintenance: designed for easy attachment and detachment, these springs, allowing users to focus on their work without unnecessary interruptions -Optimized for efficiency: by improving the functionality of air tools, these springs help users achieve higher productivity and precision in industrial and manufacturing settings Package list: 4 x springs