Upgrade Locking & Sealing - With the exclusive patent in the United States, THINKWORK upgraded grease gun coupler adopts upgraded powerful patented 4-jaw structure. Fit All 1/8â NPT Fittings - Portable grease gun coupler are works on all DIN and SAE grease fittings and attaches to all 1/8â NPT standard grease guns, mini grease guns, pneumatic grease gun and electric grease gun.
