Product Overview
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". Alfa Tools DD7003 1/4" x 60 Grit Diamond Core Drill