Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers designed as a door stop

designed as a door stop that kicks down to hold the door open

Designed for chests

Swivel knob micro-adjusts for gauges smaller than 20 AWG

Angled slots allow easy adjustment

Weighs 9 lbs

Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers designed as a door stopInnovative pressed carbide tip with aggressive cutting angles for faster drilling and longer bit life One piece construction withstands higher torque loads than standard quick change bits Black oxide finish resists corrosion and increases life of bit 1 4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks