Mudder 16 Pieces Skates Spacers Inline Bearing Axle Aluminum Speed Spacer for 6mm Axles Roller.

16 Pieces skates spacers inline bearing spacer axle aluminum speed spacer for 6mm axles roller Strong and durable: The skate bearing spacers is made of quality aluminum, strong and durable, they can minimizes resistance to the bearings and extend bearing life. Standard skate spacer: The aluminum shaft outer diameter is 7. 9 mm, inner diameter is 6. 3 mm, length is 23. 5 mm, suitable for standard size wheels, applied for standard size 8 mm bearings, and standard size 6 mm axles, widely applied for skates, skateboards, single row pulley, double row pulley, etc. Specifications: Material: aluminum Size: outer diameter: 7. 9 mm, inner diameter: 6. 3 mm, length: 23. 5 mm Color: silver Package includes: 16 x Skates spacers Note: Manual measurement, please allow slight errors on size.