It is easy to use It is highly durable Made in China Tapcon, SDS bits Plus installation kit with 1 or 4" Hex are designed specifically for Tapcon screw applications, built to take on masonry and rebar, feature 2 Cutter geometry for fast drilling and debris removal, the patented, reinforced flute design increases impact resistance and transfers energy directly to the bit tip, patented rebar chamfers withstand impact from rebar and hard aggregate and reduce carbide chipping, exact spot drilling, centering tip improves accuracy, includes: 1 or 4" Hex drive bit, 3 or 16" x 7" with 1 or 4" Hex rotary hammer drill bit, 5 or 16" Hex drive bit, 5 or 32" x 7" with 1 or 4" Hex rotary hammer drill bit, drive sleeve, #2 Phillips driver bit, #3 Phillips driver bit, all in a durable carrying pouch.