Master Mechanic 397-976 6pc Rotary Masonry Drill Bits 1/4 to 3/4 x 13"
Sizes: 1/4", 5/16", 3/8", 1/2", 5/8", 3/4"
Carbide tipped with the larger bits having a 1/2 reduced shank
Rotary masonry drill bits are ideal for drilling in light to medium brick, block & mortar,
Use with most rotary drills