Thick Washer Thick 18-8 Stainless Steel Finish Plain Fits Bolt Sizes 1-1/8 In. Inside Dia 1-5/32 In. Outside Dia 2-1/4 In. Thickness 7/32 In. Thickness Tolerance +/-0.010 In. Rockwell Hardness B70 Load Distributing For Use With Die And Jig Fixture Setup