Strongar's Ladder Pull Metal Gasket (Washers) for Back-to-Back Pull Handle is made of 304 stainless steel and is suitable for M8 screws.
Washer Diameter: Come in Two Diameters, 1-1/4" (31.8 mm) and 3/4" (19 mm).
Washer Thickness: .036"
Each pack includes 4 washers