Description: - This high quality star nut driver for inserting the star-fangled nut found on threadless headset system - Upgraded design for easier operation and long handle prevents your hands from hurt - Simply slide the outer sleeve over the steering tube, drop the star nut, alignment the fork tube with the pin part and then give it a tap with a rubber mallet and done. - It is a great portable tool for bike repair tool, home bike mechanic and outdoor cycling - Precision control makes the star nut inserted stably without worrying overwhelming operation.Specification: - Material:Aluminium AlloySize Chart:Sleeve:32mm/1.26inchStar Nut:26mm/1.02inchScrew:30mm/1.18inchPackage Includes:1 SetStar Nut Installation ToolNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!