Grease Coupler Heavy-Duty Quick Release Grease Gun Coupler NPTI/8 10000PSI Specification: Suitable for all SAE and zerk metric accessories Compatible with all types of grease tools Material: metal Length: 90mm Features: *Suitable for all grease guns-1/8” NPT connector and for all types of grease guns-pneumatic, manual and electric. *Easily lock the recessed grease fitting and loosen it with the thumb lever. *The sealing ring of the nozzle is made of tapered rubber to ensure that the coupling is tight and durable without a leak. *3JAW Design up to 10000psi resistance. *Small size can make it useful in a narrow area. .