3/8 X 20 HEAVY DUTY HAMMER DRILL

Roto-Percussion Masonry Drill Bit, 3/8″ Diameter, 20″ Overall Length, 18-1/2″ Drilling Depth, 1/4″ Shank, Carbide-Tipped, Straight Shank, For 3 Jaw Drill Chucks, 3 per Pack