Description: Material: Bike Fork Nut Setting Tool Set is made of aluminum alloy and stainless steel, sturdy and can be used for a long time. Surface Process: The surface of the sleeve is sandblasted and polished to prevent slippage. The edge part is shear by CNC. The edge is smooth and does not hurt your hands. Suitable: Installation tool is suitable for the outer diameter of 28.6mm steel front fork. (Carbon fiber fork is not applicable!!) Easy Use: Bike Repair Tool Kit is easy to use. Install the star nut onto the tool and use a mallet to knock it into the fork. Features: Bike Headset Installation Tool is heat-treated, rust-resistant and corrosionresistant, and not easy to damage. Specification: Material: Aluminum alloy, stainless steel Color: As shown Auxiliary Sleeve Height: About 47mm/1.85inch Package includes: 1pc x Auxiliary sleeve 1pc x Percussion Lever 1pc x Star Nut 1pc x Positioning screw