[Keyless Drill Quick Change]:Electric Drill Conversion Shaft, clamping capacity 0.8-10mm.It can hold up to 10mm bits and has a large clamping range to meet various drilling needs [3 Claw ]:Converter conversion tool,firm clamping,hand tight locking,stable and firm clamping,not easy to slip [Tight Thread]:thread hole diameter (3/8) is about 9.5mm [Ideal Drill Conversion Tool]:Convert your cordless electric screwdriver into a drill or in seconds [Note]:Keyless drill cannot be used counterclockwise and is not suitable for impact drives or applications involving high loads, Weight: 0.40565056208 pounds, Manufacturer: PUXZYAX