Applicable to: IBC tons of barrels, 1000 liters of barrels, 18 liters of 20 liters, 25 liters, 30 liters of stacked barrels, etc., domestic barrels /Shuchi barrels/Korean barrels, please pay attention to the interface size when purchasing. 275 - 330 Gallon IBC Tote Tank DRAIN ADAPTER S60x6 (2" Coarse Thread) x 2" NPT Male Pipe Thread. Please Carefully Check your Valve before ordering. Black glass-coupled polypropylene for resistance to most chemicals, dimensional stability, and a gasket for durability, flexibility and resistance to extreme temperatures. Buttress for connecting cam and groove fittings with different ends. 2 inch inner fine thread and 60 or 2 inch outer coarse thread. 2 inch polypropylene buttress thread adapter. Buttress Thread Adapter for plastic drums with buttress thread for 2" openings. Specification: Material: Plastic The interface is S60*6mm thick thread (thread diameter 60mm, tooth distance 6mm). The inlet is a 60mm diameter fine thread (conventional tonnage DN40/50 ball valve butterfly valve outlet size); 60 internal coarse thread to 2 inch outer fine thread. Package Includes:(4 Pack) 1 Piece IBC Adapter Converts S60*6 Coarse Male Buttress