Check the listing for details. New Aluminum Spacer Bushing 1" OD x 1/2" ID--Fits M12 or 1/2" Bolts. Condition: New. Listed at 12.36 USD. New Aluminum Spacer bushing bung 1" OD x 1/2" Fits M12 or 1/2" BoltsClick here to shop for hundreds of aluminum spacers Outside Diameter Inch/mm1"/25.4mmInside Diameter Inch/mm1/2"/12.7mmLength Inch/mmVariesWall Thickness Inch/mm 1/4"/6.25mmFits Metric Bolt12mmFits Imperial Bolt1/2"Tolerance OD Inch/mm+/-.005", +/-.15mmTolerance ID Inch/mm+/-.005", +/-.15mmTolerance Length Inch/mm+/-.007", +/-.2mmMaterialT-6061 AluminumRockwell Hardness83FinishTumbled Product information: All aluminum spacers have an acid washed finish that is compatible with anodizing and welding. Metal Spacers, aluminum spacers, aluminum spacer, stand offs, bushing, bung, widgetco, aluminumspacers.com, metalspacersonline.com, plastic spacers, aluminum spacer washers, aluminum spacer assortment, aluminum spacers lowes, aluminum spacer stock, aluminum spacer ½” id, billet aluminum spacer, aluminum spacer bolt, aluminum black spacer, aluminum spacer for 5/16 bolt, aluminum spacer Fastenal, saudi aluminum spacer factory, aluminum glass spacer, aluminum hex spacer, aluminum spacer m5, aluminum spacer m6, aluminum spacer m8, aluminum spacer m10, aluminum spacer m4, aluminum spacer sleeve, aluminum standoff spacer, m3 aluminum spacer, aluminum spacer plate, metal spacer rings, all metal spacer, spacers home depot