Zinc plated steel threaded inserts.M8 Regular Threaded Insert (Rivet Nut) - Pack of 50• Regular zinc plated threaded inserts.• Model No. TIRM8Model No: TIRM8:Brand: Sealey:Grip Range: 0.5-3.5mm:Nett Weight: 0.00kg:Pack Qty: 50:Thread Size: M8 x 1.25mm:Type: Regular:PTDSEATIRM8