Irwin POWER-GRIP 50520 Masonry Drill Bit, 5/16 in Dia, Straight Shank lawn-garden--07-13-26 The ladder offers a full

The ladder offers a full set of rear horizontals and heavy-duty internal spreaders

offering a water-resistant and airtight seal to keep out water and reduce drafts

Provides proven waterproofing protection for all masonry surfaces including pavers

Full screw point tip allows bit to self-feed for ease of drilling

Irwin POWER-GRIP 50520 Masonry Drill Bit, 5/16 in Dia, Straight Shank lawn-garden--07-13-26 The ladder offers a fullCarbide tipped for long life with spear pointed tip that reduces breakouts when drilling from one side. Provides smooth, accurate drilling in applications such as ceramic tile, mirrors, glass, marble tile, vitrolite, china drilling fastener holes in bathroom tile or for wall mirror.