Hole in flute makes it easy to pull wire through walls, ceilings, and floors. Specially designed flute quickly clears masonry dust. Heavy duty 118� point enters material quickly. Carbide tip cutting edge ideal for use where masonry construction is encountered including brick, mortar joints, and cinder blocks.

Sizes:
1890725- 1/4″ x 18″
1890726- 5/16″ x 18″
1890727- 3/8″ x 18″
1890728- 1/2″ x 18″