The sealing ring of the nozzle is made of tapered rubber to ensure that the coupling will not leak, very tight and durable. 1X Grease Coupler. Grease enters the machine, not the machine. No more grease everywhere, no more waste.
10000PSI Professional Grease Gun Coupler Quick Release Lock Oil Injection Nozzle
10000PSI PROFESSIONAL GREASE GUN COUPLER QUICK RELEASE LOCK OIL INJECTION NOZZLE