The KINCROME K4900 Twin Handle Nut Riveter Set is a cost effective fastening system ideal for a large array of applications including Automotive, Metal Fabrication, Appliances, Food equipment, Industrial machinery, Farm equipment, Electronics, Transportation, 4WD/off-road applications, Marine, and many moreNut Rivets allow you to create a solid captive nut in thin material that cannot be tapped/threaded. The 68 Piece KINCROME Twin Handle Nut Riveter Set (Part No K4900) includes a hand operated Twin Handle Nut Riveter manufactured from a heavy duty aluminium & steel construction with moulded grips for two handed operation. The Nut Riveter Set includes six different sized mandrels including M3, M4, M5, M6, M8 & M10, mandrel spanner for attaching sized mandrel to riveter and x 60 Zinc Coated Steel Rivet Nut Inserts, x10 of each size, all housed within a blow mould case. Rivet Nut Inserts are also sold separately including M3, M4, M5, M8 & M10 sizes both in lightweight Aluminium and Zinc Coated Steel types. Inserts are available in packs of 10 or 20 pieces (depending on the size selected) housed in double blister hang packs which are coloured coded for easy size and material selection.