17W10570 Flat Washer, Flat Washer Type Standard, Material Nylon, Material Grade/Class Grade 2, Finish Plain, For Screw Size 3/4 in, Inside Diameter 0.812 in, Outside Diameter 1 1/16 in, Maximum Thickness 0.125 in, System of Measurement Inch, Minimum Thickness 0.125 in, Color Off-White, Pack Size Small Pack, Resistance Properties Abrasion Resistant, Thickness Tolerance +/-0.005 in, Package Quantity 10