3-9/16 in. x 11-3/8 in. One Piece SDS-MAX Masonry Core Bit
SDS-MAX Core Bit, SDS Max, 3 9/16 in, Maximum Drilling Depth 3 in, 11 3/8 in Overall Length, 3 9/16 in Shank Diameter, Not Applicable Shank Hex Size, Core Body Length 3 in, Not Applicable Shank Thread Size, Removable Connection Type.