Countersink Drill Bit, High Speed Steel, 1/2-In. Wall & Ceiling Materials It has been engineered with

It has been engineered with the safety behind the narrow nosepiece and a short center height to allow for nail placement in hard-to-reach areas and into tight corners

Block cotton back

The sets sockets in 12 point shallow depth sockets & 6pt in deep

electrical

Countersink Drill Bit, High Speed Steel, 1/2-In. Wall & Ceiling Materials It has been engineered with1 2", high speed steel, countersink drill bit, tip is milled & precision ground to 82 degrees for countersinking into most machinable materials, engineered with premium high speed steel with black oxide coating for corrosion resistance, features 5 flutes for reduced vibration, 1 4" round shank.