- Durable Construction : The piston drive unit and bumper are made from high-quality steel, ensuring long-lasting performance and reliability in tough working conditions. - Perfect Replacement : These aftermarket parts are specifically designed to replace components in various spool nailers, making them a reliable option for repair and maintenance. - Optimal Shaft Diameter : With a shaft diameter of 5 mm, these components guarantee secure and precise nail driving, enhancing the overall efficiency of your nailer. - Versatile Applications : Ideal for both professional contractors and DIY enthusiasts, use this replacement part for framing, decking, or any nail fastening projects where precision and durability are essential. - Wide Compatibility : Suitable for multiple models of spool nailers, this product provides a seamless fit, ensuring easy installation and optimal performance without the need for modifications. Elevate your nailer's reliability and performance with this durable, compatible, and precision-engineered replacement part.