... Copper H59 3.shut off Coupling 4.Technics:CNC LATHE shut off quick coupling,mould parts:high quality mold coupling,firmly and durable coupling mold parts ... solid Brass Locking rings, springs and 6 locking balls are all made of Stainless Steel- Compatible with DME- Available with or ... ,Pipe plugs,Nipple, Mold Coupling ,Latch Lock, Mould Counter etc.we are familiar with HASCO,DME,JIS,CUMSA,PROGRESSIVE ...