Powerful setting force will set stainless steel rivet nuts up to 10mm or 3/8" and steel rivet bolts up to 8mm or 5/16". Length: 21" (535mm). Weight: 4.04 lbs (1.83kg). Threaded Mandrels Included For Rivet Nut Setting Rivet Materials M5 x 0.8 (10 x 24, 10 x 32) M6 x 1.0 (1/4" x 20) M8 x 1.25 (5/16" x 18) M10 x 1.5 (3/8" x 16) Aluminium, Steel, Stainless, Rivet Nuts Aluminium, Steel, Stainless, Rivet Bolts -.