Trend SNAP/HKLC/6 Trend Snappy hex keyless chuck 6mm capacity Keyless chuckKeyless chuck that can be used in quick chucks and impact drivers to hold parallel shank drills bits up to 1/4 inch. Clamping capacity 0.8mm (1/32 inch) to 6mm (1/4 inch). Enhanced gripping power when compared to traditional key type drill chucks. Lightweight with plastic body. Fitted with Trend Snappy shank 1/4 inch hex shank adaptor.Specification-Shank Diameter=1/4 inch hexCapacity=0.8 mm to 6 mm