Features 1、Aluminum alloy spacers have many uses and can be used to bind loose ends of pieces of machinery. 2、Create distance between parts, reduce hole size, add spacing for bolts, install bearings, or use as a lightweight shaft. 3、Aluminum alloy spacer has outer diameter of 6mm, which is very suitable for creating space between two components on a 6mm shaft or column. 4、Allows 6mm bearings to be mounted on gaskets, and thick wall provide excellent strength. 5、The surface of aluminum alloy spacer is anodized, which is resistant to wear and corrosion. Specification Item Type: Round Spacer Material: Aluminum alloy Inner Diameter: Approx. 4mm / 0.16in Outer Diameter: Approx. 6mm / 0.24in Surface: Anodized Purpose: Surface space interval, structural support Package List 10 x Round Spacer