- Reliable and Durable: Constructed from high-quality steel, the piston drive unit and bumper provide exceptional durability for long-lasting performance. - Perfect Replacement: Designed as aftermarket replacement parts for coil nailers, these components are compatible with a wide range of models, ensuring seamless integration. - Optimal Shaft Diameter: With a shaft diameter of 5 mm, this product guarantees secure and precise nail driving, enhancing overall effectiveness. Applications: - Ideal for professional contractors looking to maintain their coil nailers for ongoing projects, ensuring consistent performance. - Perfect for DIY enthusiasts who require reliable replacement parts to complete home improvement tasks efficiently. - Suitable for maintenance and repair shops that need dependable components to service various brands of coil nailers. Choose these steel piston drive units and bumpers for your coil nailers to ensure reliability and precision in every project.