ITEM NAME:1000pcs Skateboard Washers Axle Speed Rings for Longboard Cruiser Scooter Description: - Made of high quality iron, durable, sturdy - 1000pcs per pack - Increase speed and promote longer bearing life by reducing friction between the bearing and axle nut and hangar, for good bearing performance - Fit on almost skateboard/longboard trucks - Hardware for longboard, skateboard, cruiser, scooter, etc. Specification: - Material: Iron - Color: Silver - Outer Diameter: Approx. 11mm / 0.4inch - Inner Diameter: Approx. 8mm / 0.3inch - Thickness: Approx. 1mm / 0.04inch Package Included: 1000 Pieces Skateboard Speed Washers Note: Please allow slight size deviation..Hardware for longboard, skateboard, cruiser, scooter, etc. 1000 Pieces Skateboard Speed Washers. - Increase speed and promote longer bearing life by reducing friction between the bearing and axle nut and hangar, for good bearing performance.