7/8 X 12 HEAVY DUTY HAMMER DRILL

Roto-Percussion Masonry Drill Bit, 7/8″ Diameter, 12″ Overall Length, 10-1/2″ Drilling Depth, 1/2″ Shank, Carbide-Tipped, Straight Shank, For 3 Jaw Drill Chucks, 3 per Pack