grease coupler: 1. application:grease gun 2. type:germany type 3. pressure:6000psi-7000psi 4. thread:1/8"BSPT,or ... : grease coupler/grease gun coupler/grease nipple coupler2. Design Types: Germany type, American type, Sweden type3. Two types of jaw: 4 jaws and ... ' samples or drawing, OEM also can be available. 4 jaws germany type grease coupler