Description: Made of hight quality iron,strong and durable. Very small size and easy to carry. Suitable for the bearings inner diameter 0.31"/8mm Inner Diameter: approx.0.24"/6mm; Outer Diameter:approx.0.31"/8mm Professional accessories for skating wheels, fit for 608 and 688, etc. Each wheel needs two spacers. Specification: Material: Iron Length: Approx. 10.3 mm/0.41 inch Size(Inner Diameter x Outer Diameter): Approx. 6 x 8 mm/0.24 x 0.31 inch Package Includes: 16 Pieces Roller Skates Spacers
