This is fitted into a standard 3/8 inch key or keyless chuck.
• Trend Snappy attachments or any direct drive 1/4 inch hex bits can then 'snap' in effortlessly.
• Six flats on the shank ensure precise location in the chuck.
• A spring loaded outer sleeve makes it easy to remove attachments.
Specifications:
Chuck Diameter 23mm.
Overall Length 56mm.
Shank Diameter 3/8 Hex.