4Pcs/Set,0.8~10Mm Ratchet Self-Locking Drill Chuck,3/8-24Unf Thread 3Jaw Metal Keyless Chuck,Power Chuck For Drill Bits&Sleeve

How To Use? Problem: If the ratchet self-locking drill chuck cannot be twisted or unlocked during unlocking, Specific reason: The lock inside the ratchet self-locking drill chuck is not securely locked. Solution: First, tighten in the locking direction, then rotate in the unlocking direction to unlock 1. Manual measuring, please allow 1 ~ 5mm error,Thank you. 2. The color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. We guarantee that the style is the same as shown in the picture. Features: 1.With heat treatment, the product has good toughness and higher structural strength. 2.The unique patent locking function breaks through the traditional locking method, with ratchets on the back. Keyless and self-tighten type design is more in accordance with human engineering. 3.The locking plate is installed in the back sleeve, which can prevent loosening and loosening in the work more effectively and make the clamp more reliable when holding the tool. 4.Good metal texture, comfortable coat surface. 5.The unique thrust beais easy to convethe torque applied by the handle into greater clamping force. 6.Scope of application: It is suitable for percussion drills with power above 1050W. Compatible Devices:Electric screwdriver, Electric drill, Hammer drill, Electric hammer, Impact wrench. Large range of clamp size which range from 0.8~10mm,suitable for many kinds of drill bit. Specifications: 0.8-10mm Drill Chuck: Connection Size:3/8-24UNF. Clamp Range:0.8 ~ 10mm / 0.03 ~ 0.39inch. Quantity: 4pcs/set. Features: Self-locking, Ratchet, Keyless,Metal. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.