Irwin Impact Masonry Bits 3/16-Inch X 4-Inch Size:3/16" x 4" Use as a perimeter around

Use as a perimeter around your yard to prevent new pests from arriving

reducing heat & delivering more holes per charge

4cm spacing

Allows for easy disassembly without stripping or damaging threads

repair work

Irwin Impact Masonry Bits 3/16-Inch X 4-Inch Size:3/16" x 4" Use as a perimeter aroundInnovative 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