Features Multi-purpose chucks allow you to quickly and easily change attachments without the need for a collet. Multi-Chuck accurately secures attachments with shaft diameters from 08 mm to 32 mm to the multi-tool Multi-purpose chuck is designed for quick and easy attachment changes without the use of a collet Recommended maximum speed: 35,000 RPM Product Information Product Name: Triple Jaw Drill Chuck Product Material: Alloy Product Size: Refer to the picture Product color: black Packing list: three jaw drill chuck x 1 Please note: 1. Due to the long shipping time, the item may be damaged during transportation, if the item is damaged, please leave us a message through the official website immediately before posting a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. 3. The color displayed by different monitors may vary.