ITEM NAME:8Pcs Durable Inline Skate Wheel Screws Axle Bolts with Skate Bearing Spacer Descriptio n Description: Made of hight quality aluminum alloy, strong and durable. Deeper Inner hexagonal hole, not easy to slip. Easy to install and replace. Diameter: 6mm / 0.24inch; Length: 31mm / 1.22inch. Ideal replacements for inline skate wheel. Specifications: Material: Aluminum Alloy Length: Approx 31mm / 1.22 inch; Diameter: Approx. 6 mm / 0.24 inch Color: Silver Package Included: 8 Pieces Screws with Spacers Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. 8Pcs Durable Inline Skate Wheel Screws Axle Bolts with Skate Bearing Spacer.Deeper Inner hexagonal hole, not easy to slip. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.