Complete with tee and U-bolts, nuts and washers. Available in two sizes which provide capability of tapping 1-1/2 in or 2 in DWV pipe to 3 in or 4 in existing schedule 40 DWV pipe. 3 in x 2 in and 4 in x 2 in spigots accept 1-1/2 in schedule 40 DWV inside socket, joins to2 in with 2 in couplings. Allows tapping of existing DWV lines without cutting pipe. Fits inside 2 in DWV with couplings.