Irwin 4-Piece Wood Countersink Bit Set Rotary Tools & Accessories FULL CONTROL AND BALANCE with

FULL CONTROL AND BALANCE with curved handle design and padded thumb rest for comfort

Comfort fit nylon crown suspension straps for comfort

Single concave flute design creates perfectly round holes in thin materials including steel

3/8" diameter

premium masonry grinding discs

Irwin 4-Piece Wood Countersink Bit Set Rotary Tools & Accessories FULL CONTROL AND BALANCE withReplacement tapered drill bits with widened flutes for drilling fast, clean pilot holes. Adjustable 4 cutter counterbore cuts and clears chips quicker for fast, smooth countersink or counterbore drilling. Attaches and adjusts with 2 hex screws. Counterbore attaches to flat on shank for a more secure fit. Adjustable stop collar attaches to counterbore for controlling countersink depth. 1 4' quick change shank reduces slipping in standard chucks and is