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The LockNLube LNL153 is a pistol-grip grease gun built around the company's locking coupler, which clamps onto a Zerk fitting and stays put until you push the thumb lever to release it. It ships with a 20-inch heavy-duty hose, an inline swivel, and a Loop & Lock holder that keeps the coupler and hose tidy between jobs. It is rated to 5,000 PSI and has an air bleeder valve for priming. It suits mechanics, farmers and fleet owners who grease a lot of fittings and are tired of couplers that leak or pop off; the main trade-off is that it is a manual pistol gun, so it takes more strokes than a powered or lever-action gun on big jobs.
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Lowest price we've seen: $44.37 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Owners rate it very highly, and the locking coupler is the reason most of them bought it. They say it grips fittings firmly, does not leak, and saves the mess and frustration of a standard coupler.
The LockNLube LNL153 is a heavy-duty pistol grip grease gun. It comes with a 20-inch hose, an inline hose swivel and the LockNLube grease coupler. The coupler locks onto the fitting and does not leak. To release it when you finish greasing, push the thumb lever down.
Loop & Lock storage technology lets you secure the coupler when it is not in use. It also forms a loop in the hose for storage or carrying, which keeps the hose from swinging around when you pick up the gun.
The handle is shaped and has a rubber grip. The gun is rated up to 5,000 PSI for stuck fittings. An air bleeder valve lets you load and prime the gun more easily.
