Steel Dragon Tools HCB 200 12" Pipe Hole Cutter fits Milwaukee 1660 Drill Works with either the Milwaukee(R) 1660-1 and 1660-6 or the Dewalt(R) DW131 or 18V DC987KA. Provides a means of clamping onto pipe and using a drill to cut a hole in the pipe. Max Drill Capacity: 1 3/4" Max Pipe Size: 12" Chain Length: 36" Handle and gear provide leverage for cutting holes in pipe. Requires a hole saw or bit Use in depressurized piping systems only.