Specifications Product Name Rivet Nut Manual Riveter tool M3 M4 M5 M6 M8 M10 M12 Heavy Hand Inser Nut Tool Manual MandrelsMaterial SteelSize As pictured showRivets M3 4 5 6 8 10 12Type 110pcs Rivet Features Unique spring loaded inner hex sleeve automatically locks the rotation of hand installed mandrel Ergonomic handles with double compound hinges maximizing leverage and for easy operation Delicate Shape heavy duty hand riveter is ideal for working in hard to reach areas Great for off road Jexp modificationsPackage Included 126pcs Rivet Nut KitNote 1 Please allow 0 5 1 inch difference due to manual measurement 1inch 2 54cm 2 The color of the actual items may slightly different from the listing images due to different computer screen thanks for your understanding Detail Pictures