Bulldog, 7 Piece, SDS Plus, Anchor Drive Installation Kit, Includes: 5/32" x 6-1/2" & 3/16" x 6-1/2" Hex Bits, #2 & #3 Phillips Power Bits, 5-3/4" Sleeve, 1/4" & 5/16" Sockets, Concrete Anchoring, 1/4" Hex Shoulder For Drive Sleeve Used To Set Masonry Screws.