Features: EASY TO OPERATION -- Just drill a hole in the workpiece, assemble the appropriate rivet nut onto the tool, insert it into hole, squeeze and then complete. Especially perfect when the surface in question is too thin to be tapped, or access to the backside is limited. ADVANTAGE DESIGN -- Tool with Mandrel Knob to help separate the rivet nut from riveter after it has been fixed; The Tool Stop Lever limits the opening of handles after the nut has expanded to prevent the thread of the nut from deformation. FULL SET -- 86PCS complete kit for more convenient use, with 5pcs Threaded Mandrels with nosepieces: M3/M4/M5/M6/M8, and 80pcs Rivet Nuts, M3(20pcs), M4(20pcs), M5(20pcs), M6(10pcs), M8(10pcs) to Meet Your Various Needs. PREMIUM QUALITY -- The Rivet nuts are made from aluminum alloy, they are durable and reliable, with longer service time. VERSATILE RIVET NUT KIT SET -- This hand pull Blind nut rivet gun kit with 85 variouse size pieces, which is Perfect for car, trailers, furniture repair, even boat building etcs. Specification: Color: Blue + Black Riveter Body Material: Solid Steel Riveter Grip Handle Material: Solid Steel with blue PVC Sleeve Rivet Nut Material: Aluminum alloy Mandrel Material: Solid Steel Size of Nut Rivet Mandrels: M3/M4/M5/M6/M8 Riveter Size When Closed: 270 * 100mm / 10.63 * 3.94 inch Carrying Case Size: 310 * 150 * 40 mm / 12.2 * 5.91 * 1.57 inch (L x W x Thickness) Grip Range of Rivet Nuts: M3: for sheet with thickness from 0.5mm to 2mm M4: for sheet with thickness from 0.5mm to 2mm M5: for sheet with thickness from 0.5mm to 2.5mm M6: for sheet with thickness from 0.5mm to 3mm M8: for sheet with thickness from 0.5mm to 3.5mm Packing List: 1 * Nut Riveter Tool 20 * M3 Threaded Rivet Nut 20 * M4 Threaded Rivet Nut 20 * M5 Threaded Rivet Nut 10 * M6 Threaded Rivet Nut 10 * M8 Threaded Rivet Nut 5 * Threaded Mandrels and Nosepieces: M3/M4/M5/M6/M8 1 * Plastic Storage Case 1 *?Instruction Manual