Product Overview
Diamond Core Drill, 1/2" Diamond Core Drill, .51" Outer Diameter, .43" Inner Diameter, 1/4" Shank Diameter, 1" Shank Length, 2-1/4" Overall Length, 60 Diamond Grit Size, 1 per Pack". Alfa Tools DD7006 1/2" x 60 Grit Diamond Core Drill