Percussion Masonry Drill Bit, 5/8 x 6-In. SuperClean cast iron construction with double

cast iron construction with double steel guide bars provides strength & durability

all steel construction with a powder coat finish that will stand up to years of outdoor use

Hardened stainless steel blades open extra wide for a greater cutting capacity

Silverized Activated Carbon & Ion Exchange Resin That Works On A Hydrogen Exchange Cycle

Percussion Masonry Drill Bit, 5/8 x 6-In. SuperClean cast iron construction with doubleMaster mechanic, 5 8" x 6", rotary percussion, masonry drill bit, black oxide, carbide tipped designed for use in drills with rotary or hammer mode, recommended for drilling cinder block, common & hard brick, plaster, ceramic tile, glazed tile & wet or dry concrete & for moderate use in marble, granite & concrete over 6000 psi.