详细规格及用途描述

Advantages:
● An unique accessory that converts any electric drill into a powerful "screw gun".

Specifications:
●1/4" Hex Shank with E6.3 Groove
●4pcs - 1/4H 25mm Screwdriver Bit

Features:
●Heavy duty alloy steel construction countersinks screws precisely into drywall, particle board and plywood.
●Build-in clutch disengages from drive-in function while reaching workpiece.
●Nylon cover with O-ring can protecting workpiece. 
●Professional design: C-ring built inside of the chuck to stick bit tightly. Please use pliers to pull off the bit.