1/4″ X 60 GRIT DIAMOND CORE DRILL

Diamond Core Drill, 1/4″ Diamond Core Drill, .26″ Outer Diameter, .19″ Inner Diameter, 1/4″ Shank Diameter, 2-1/4″ Shank Length, 2-1/4″ Overall Length, 60 Diamond Grit Size, 1 per Pack”