9/16 x 6-1/4-In. Multi-Purpose Drill Bit Brand_Diamond Crystal Each batch undergoes rigorous quality

Each batch undergoes rigorous quality and safety checks at every step in the production process to provide you with added peace of mind

Features our "All-Day Comfort" insoles for maximum comfort and our signature deep-lug tread for great traction

UL and CSA Certified

Chicken by-product meal

Apply every four weeks for best results

9/16 x 6-1/4-In. Multi-Purpose Drill Bit Brand_Diamond Crystal Each batch undergoes rigorous quality9 16" x 6 1 4" multi purpose drill bit, cobalt and tungsten carbide tip for maximum hardness and resistance to heat and wear, for rotary or percussion drilling, for use with masonry, concrete, brick, marble, granite, hardened steel, cast metal, fiberglass, plexiglass, ceramic tile, hard wood, soft wood and glass, tubed.