This is a set of 5 items for skateboards: a screw set (4 sizes), axle nuts, and a skate tool. I purchased these as spares and have stored them unused. Although unused, these items have been stored at home, so please purchase only if you understand this. Screw Set ① Length: 7/8 inch (2.22cm) Head: φ8mm Phillips (+) Color: Silver 8 pieces Screw Set ② Length: 1 inch (2.54cm) Head: φ10mm Phillips (+) Color: Silver 8 pieces Screw Set ③ Length: 7/8 inch (2cm) Head: φ9mm Phillips (+) Color: Black 8 pieces Screw Set ④ Length: 1.1 inch (2.8cm) Head: φ9mm Hex Color: Black 8 pieces Axle Nuts INDEPENDENT TRUCKS AXLE NUTS 4 pieces