Pneumatic Air Rivet Gun Blind Flat Nuts Rivnut Tool Kit For M3-M12 Pull Nuts. 802B:1air rivet gun, M3 M4 M5 rivet head 1.
804B:1air rivet gun, M5 M6 M8 rivet head 1. 805B:1air rivet gun, M8 M10 M12 rivet head 1. Note :Each model corresponds to a different rivet head, please place an order accordingly. Change the rivet nut head. The original steps with the new nut head.