Spacer Spacer Type Round For Screw Size #2 Overall Length 1/4 in Inside Diameter 0.09 in Outside Diameter 0.1875 in Retaining Rib Diameter Not Applicable Material Stainless Steel Material Grade/Class 18-8 Finish Plain Pack Size Small Pack System of Measurement Inch Hex Width Not Applicable Color Silver Dimensional Standards ASTM A582 Hex Width Tolerance Not Applicable Inside Diameter Tolerance 0 to 0.01 in Outside Diameter Tolerance +/-0.005 in