Description: 【Quality material】: These inline skate bearing spacers are made from quality aluminum alloy, which is wear resistant, sturdy, and not easily deformed. They can be used repeatedly for a long time 【Functionality】: These roller skate axle bearing spacers are designed to fit between the two bearings of roller skates or skateboards, providing stability for your skating experience 【Easy to use】: The skating bushing spacers can be easily installed on the wheels of skateboards, roller skates, or inline skates without any complicated steps. They are easy to install and use 【Suitable size】: The inline skate shaft spacers have a length of 10.22 mm and an inner diameter of 8 mm. Their compact structure makes them easy to store and carry around 【Wide application】: These wheel center bearing spacers are nice for various outdoor activities and sports scenarios such as skating, inline skating, roller skating, skateboarding etc Specification: Material: Aluminium Alloy Size Chart: Length 1.022cm/0.40inch Inner Diameter 0.8cm/0.31inch Package Includes: 1 Box of Inline Skate Bearing Spacers(8pcs Inline Skate Bearing Spacers)(3 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.