Toy Machine Skateboards Bloodshot Precision Black Skateboard Bearings One (1) set of eight (8) Toy Machine Skateboards Bloodshot Black Skateboard Bearings from Toy Machine Skateboards Rating: Precision Industry Standard Size: 608 with an 8mm core, 22mm outer diameter, and 7mm width Pre-lubricated for a smooth, fast ride 100% guaranteed authentic