Brand: Astro Pneumatic Tool Company Manufacturer's Part Number: 1452 Part Type: Rivet Nut Guns Product Line: Astro Pneumatic Tool Company XL Rivet Nut Setting Kits Summit Racing Part Number: APT-1452 UPC: 745227023523 Polynuts Included: No Thread-Serts Included: No Mandrels Included: Yes Mandrel Material: Steel Mandrel Finish: Black anodized Thread Setter Insert Tool Included: Yes Thread Setter Insert Tool Material: Steel Thread Setter Insert Tool Finish: Black anodized Case Included: Yes Case Material: Plastic Case Color: Blue Quantity: Sold as a kit. Astro Pneumatic Tool Company XL Rivet Nut Setting Kits Astro Pneumatic XL Rivet Nut setting kits make setting extra-large rivet nuts a breeze. The XL handles-and-hinge system multiply input force more than any other model offered by Astro Pneumatic. Disassembly of the gun is never required， as a unique spring-loaded inner hex sleeve automatically locks the rotation of hand-installed mandrels. The tool-less quick-change head design allows for easy changing of mandrels and nose pieces by hand.