8x/set professional Inline roller spacer for 6mm screws spacers skating shoes

Bearing spacers are designed to create a nice smooth axel spin and will help prevent your bearings from collapsing and the bearing will be motionless without the bushing. These spacers will fit all standard skate wheels. doesn t suit for fitness roller skating shoes. Mention: The items donot contain the wheels and Bearings only the Spacers. It use for 6mm Screws/Alxes it will make the Inner diameter of bearings to 6mm. Specification: Material: Aluminum Color: Silver Quantity: 8 pieces Outer diameter:7.9mm Inner diameter: Approx 6.3mm Package included: 8pcs/set Spacers