Drill Chuck 0.3 - 3.2mm Clamping Range for Electric Grinder Feature:1. Quick change: allows you to quickly change the drill bit on rotating tools, no need to change the chuck, very simple.2. Clamping firm: With 0.3 - 3.2mm clamping range, 3 jaw chuck provides stable clamping for more reliable operation.3. Practical Application: Ideal for most electric grinders, can be used for drilling, cutting, polishing, engraving, etc.4. Good material: Made of carbon steel high-quality material, it is not easy to deform, very suitable for repeated use.5. Simpler Works: Simply rotate the head to open and close, which makes the work much more convenient. Specification:Item Type: Drill ChuckProduct Material: Carbon SteelProduct Color: BlackThread Specification: Approx. 8x0.75mm/0.31x0.03inClamping Range: Approx. 0.3 - 3.2mm/0.01 - 0.13inFunction: accessory suitable for most electric grinder, can be used for drilling, cutting, polishing, engraving, etc. Package List:1 x Drill ChuckNote:1. If the machine head housing is hollow with the output shaft, the length of the output shaft protruding outward must be more than 10mm;2. If the machine head is close and fixed between the housings and the output shaft, the protruding length of the output shaft must be greater than 13m;3. For small flexible shafts, the hollow part between the gear knob flexible shaft and the output shaft must be larger than 138mm (some small flexible shafts on the market are not compatible). 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.