【SAND BLASTING PROCESS】The unique sand blasting process not only enhances the stability when holding, but also gives the tool a durable outer surface cover and beautiful metal texture, which can maintain good operating performance even when working in wet environments. 【ACCURATE POSITIONING】The mounting sleeve setting kit's high-precision machining ensures that the core punching position is accurate, enabling automatic depth positioning for fork steel headtubes with an OD of 28.6 mm (1.1 inches), carbon fibre headtubes are not suitable. <br> Specification: Item Type: Bicycle Fork Headset Install Tool Color: Blue Material: Aluminum Alloy Weight: Approx.110g/3.9oz Applicable: for Front Fork with 28.6mm/1.1in Outer Diameter Steel Head Tube, Carbon Fiber Head Tube is Forbidden <br> Package List: 1 x Percussion Lever 1 x Headset Core 2 x Positioning Screw 1 x Round Tube <br> Note: 1. It is suitable for the front fork of the steel head tube with an outer diameter of 28.6mm, and the carbon fiber head tube is prohibited. 2. Please use it with a rubber hammer or an iron hammer. Some steel headset are harder. Please use an iron hammer to strike. 3. When hammering the percussion rod, do not hold the auxiliary sleeve.</p>