A large diameter washer ideal for spreading the clamping load, reducing a hole diameter and packing out. Plated in Trivalent Chromium (Cr3) Zinc"Hole Dia. mm - M12Outer Dia. mm - N/AThickness mm - 1.5Material - Carbon Steel Timco Penny / Repair Washers - Zinc (Size M12 x 40 - 50 Pieces) in Silver Size: 1000mm x 1000mm