Item Type: Headset Cup Press Tool Product Material: Aluminum Alloy, Stainless Steel Product Application: Suitable For 30 to 56mm Press Fit Headset, And BB86 92 Press Fit Bottom BracketPackage List 1 x Bicycle Headset Press Tool1Material: Made of high quality aluminum alloy material, anodized surface, high gloss, light weight. 2Turning Design: CNC fine turning design, aluminum alloy joint, fine thread. 3CNC Knurling Design: High strength, non slip, flat push, wide range of use, strong versatility. 4Stainless Steel Lead Screw: Fine pitch, high resistance. Fits most lengths of head tube, aluminum upper and lower clamps. 5Easy to Use: The multi purpose base is suitable for a variety of headset specifications, and the bearing and knurled handle are statically pressed in, which is easy and effortless to install, and will not damage frame or headset.