Master Mechanic 282-418 - 319 5pc Masonry Drill Bit Set 1/4 to 3/4 x 13"
Sizes: 1/4" 3/8" 1/2" 5/8" 3/4"
Master mechanic percussion masonry drill bits are ideal for drilling in hard brick, stone, block & concrete.
Use with either rotery or hammer drills in hammer mode.
Carbide tipped with 3 flat shanks.