Tapcon, sds bits plus installation kit with 1/4" hex are designed specifically for tapcon screw applications, built to take on masonry & rebar, feature 2 cutter geometry for fast drilling & debris removal, the patented, reinforced flute design increases impact resistance & transfers energy directly to the bit tip, patented rebar chamfers withstand impact from rebar & hard aggregate & reduce carbide chipping, exact spot drilling, centering tip improves accuracy, includes: 1/4" hex drive bit, 3/16" x 7" with 1/4" hex rotary hammer drill bit, 5/16" hex drive bit, 5/32" x 7" with 1/4" hex rotary hammer drill bit, drive sleeve, #2 Phillips driver bit, #3 Phillips driver bit, all in a durable carrying pouch.