Irwin Irwin 61132 Light Duty Masonry Drill Bit 1/2 x 4

Irwin Irwin 61132 Light Duty Masonry Drill Bit 1/2 x 4 Economy rotary carbide tipped bits; All-purpose for do-it-yourselfers; Fast spiral double flutes quickly clear material from hole; Diameter: 1/2 ; Length: 4 ; Zinc finish; Shank: 1/4 ;