Thick Washer Thick 18-8 Stainless Steel Finish Plain Fits Bolt Sizes 5/16 In. Inside Dia 11/32 In. Outside Dia 3/4 In. Thickness 1/8 In. Thickness Tolerance +/-0.010 In. Rockwell Hardness B70 Load Distributing For Use With Die And Jig Fixture Setup Package Quantity 10