Review on ⚙️ Milton (S-715) 1/4" FNPT Female M-Style KWIK-CHANGE Coupler, Red: Quick, Reliable Connection Solution for Pneumatic Applications by Jason Olguin

Let's clear up the negative reviews first. It's 100% genuine. No, there's never been an air chuck with 6 bearings in it. 4 is standard. You have 3 but are slightly larger than a 4 bearing clutch this removes any doubt that they will seal and hold up I am an ASE certified GM technician I have used mine in my 26+ years in the industry, in I've used air fittings. You're going to be up against the best of them. There's a common sense issue here. Premature leakage (e.g. air line tossing around, air line constantly hitting the ground, air pressure 24 hours a day , 7 days a week, and everyone around is neglecting enough care to deflate your air tank when not in use, etc etc.) Take care and like everything else it will take care of you k take care