Heat Treated Alloy Steel Drill Bits. Used with Hammer Drills for Drilling Into Concrete. Bit Sizes Include: (3/16" and 1/4") x 110mm; (1/4" and 5/16" and 3/8") x 160mm; (3/8" and 1/2") x 210mm; (3/8" and 1/2" and 5/8" and 3/4") x 450mm. Each Bit is Etched with it's SAE Size. New Hard Snap Plastic Storage Case Included.
