6″ Plastic Nozzle, 1/8″ Bead Diameter 1/8″ bead diameter, 6″ nozzle length, 1/4 NPT thread threads directly to the 383-series cartridges (both 2″ diameter and the 1-5/8″ diameter models) add a #27-2 thread adapter to use with DL-series professional bulk & sausage guns with 426-G01 caps or 966-2 adapter to use with B-Line guns.