Premium Material: High strength, durable, rust-resistant alloy material Compatibility: Fully threaded rod has good compatibility with most types of bicycle hubs Easy to use: Easy and fast disassembly, a great accessory for mountain bikes and road bikes Delicate: Thanks to the compact bend and precise dimensions, it is easy to arrange the hub of the bike without damaging it. Material: Electroplated silver + stainless steel anti-lost components. Size: screw length 156mm, tool outer diameter 28.5mm, slot bayonet width 4mm Applicable: install/remove groove lock structure ball, bearing hub flywheel base. Disassembly direction: clockwise to disassemble, counterclockwise to lock. Features: fine turning, high bayonet precision, strong compatibility, high hardness, not easy to rust. Color: Silver Quantity: 1 Piece Note: Light shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual item. Measurement tolerance is +/- 1-3 cm.