Features Reliable Replacement Parts - Designed specifically for pneumatic rivet nut guns, this head replacement ensures seamless compatibility and optimal performance Versatile Head Set - Includes M3-M12 sizes, providing a comprehensive solution for various riveting applications and enhancing your productivity Easy Installation Process - Quickly replace damaged or worn-out heads without hassle, allowing you to get back to work in no time Durable Carbon Steel Construction - Crafted from high-quality materials, this riveter part delivers exceptional strength and a long-lasting performance Essential Accessories Included - Complete your pneumatic rivet nut gun setup with these crucial air riveter tool parts, ensuring you have everything needed for efficient operation Features: 1、Used for pneumatic rivet gun head replacement, suitable for rivet nut. 2、M3-M12 full set of Pneumatic Riveter Heads, used with the original rivet gun. 3、Convenient to replace the broken one. 4、Carbon steel, strong power, not easy to fall off, good using effect. 5、 accories for pneumatic rivet nut gun. Specification: Item Type: Pneumatic Riveter Head Material: Carbon Steel Optional Specification: M3 M4 M5 M6 M8 M10 M12 Uses: Used for pneumatic rivet gun head replacement, suitable for rivet nut. Package List: 1 x Pneumatic Rivet Nut Gun Head (Set) Package List 1 x Pneumatic Rivet Nut Gun Head (Set)