Item Type: Bicycle Fork Star Nut Setting Installer Material: Steel Size: Length: Approx. 27cm/10.6in Diameter: Approx. 1.8cm/0.7inPackage List 1 x Front Fork Flower Core Driver2 x Screw Manual measurement, please allow 1& 8209;2cm/0.4& 8209;0.8in error. 1The main body is made of steel, and the surface is mirror plated with nickel to prevent rust. 2304 stainless steel holding screws can be replaced and disassembled, which is easy to use. 3The size is suitable for most bicycle front fork headsets, hanging core, sun flower core removal. 4Bicycle front fork headset hanging core sun flower core punching tool professional model, precise punching, stable and strong. 5It is an excellent portable tool for bicycle repair tools, home bicycle repairers and outdoor riding.