Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers Can be used with both

Can be used with both Schedule 40 or Schedule 80 pipe

Angled slots allow easy adjustment

Swivel knob micro-adjusts for gauges smaller than 20 AWG

Built tough for superior performance and long-lasting durability in all kinds of weather extremes

Hydraulic Closer

Irwin Impact Masonry Bits 1/4 in Dia x 4 in Peep Holes & Viewers Can be used with bothInnovative 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