Milwaukee 48-20-7511 SDS Bit 3/16 by 4 by 6-Inch

Wire looping and bending holes, It also has easy to read wire gauge marking on both sides of the tool for stripping in either directions, The handle is color coded, red meaning stranded wire, 3/16 inch 4 flute, SDS shank, 4 inch drilling depth, 6 inch overall length