LockNLube Grease Gun Coupler XL - Universal Fit - Extra Reach for Recessed Grease Fittings. Publisher: LockNLube. EXTRA REACH FOR RECESSED FITTINGS Extended 3.5" reach accesses shielded PTO shafts, U-joints, axles, and other hard-to-reach grease fittings where standard couplers cannot fit.
