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Grease Guns

LockNLube Easy-Prime Lever Grease Gun


14 reviews

The Easy Priming, High Pressure, European-Engineered, LOCKNLUBE Easy-Prime Lever Grease Gun will change your idea of what a grease gun can be. Its lightweight design does away with the follower plate and rod, replacing them with a simple, reusable cap. The precision design allows for fast and easy priming every time enabled by a high-pressure vacuum that keeps the follower sealed tightly from the bottom. Our LockNLube® coupler, in-line hose swivel and 20" whip hose mean no leaks, no mess, and no hands needed to keep the coupler in place. 

The lever-action allows for high-pressure applications with less effort and shorter strokes. Designed for use in harsh conditions, with sturdy construction and seals that keep dirt out. The LockNLube® Easy-Prime Grease Gun will provide years of easy service on your farm, job site, or in your backyard garden.

Includes 10 reusable followers.

Features & Benefits:

  • Easy priming: Unique plastic follower and vacuum suction means easy priming every time
  • High pressure: 10,000 PSI max. Pressure remains constant up to 40,000 priming cycles
  • Lightweight: No follower plate or follower rod needed makes the gun lighter and more compact than anything on the market 
  • No leaks: Reusable plastic follower means no dripping grease. LockNLube coupler means no leaks from the top.
  • Storage: Features Loop & Lock storage design

Choose Your Coupler Size



The new LockNLube Easy-Prime Grease Gun works without the need for any spring mechanism. Simply insert the cartridge, insert the follower plate, and get started. The vacuum in the grease gun head moves the piston smoothly upwards all by itself. The variable stroke ensures the grease gun can be easily operated with minimal lever movement. 


LockNLube provides a full 30-day money-back guarantee on all products purchased from its website. If you are dissatisfied with your purchase, you can return it to us by shipping the item back within 30 days of purchase. Once we receive your return, we will refund you the full purchase price of the item.

Please ensure that the item you are returning is repackaged securely, with all its component parts included. Please also include any documentation that came with your original order, such as a packing slip or order confirmation.


Return items to us by shipping to:

Lock and Lube
12 Commerce Ave. Suite #3
West Lebanon, NH 03784

For more information, please call 603.795.2298. We’re a small business and we’ll pick up the phone in New Hampshire when you call.



  • Operates with NLGI 2 greases at at least 10°C 
  • Quantity of delivered grease at a back-pressure of 200 bar nearly unchanged after 40,000 operating cycles 
  • Pump piston, cylinder and O-ring with 6 μ fit (no dummy lubrication) 
  • At high back pressure, e.g. gummy lubrication point, lubrication can be achieved with significantly less effort by shorter strokes 
  • Grease supply variable from 0,1 to 2,15 cm³ per stroke 
  • Thanks to the optimized hand lever kinematics, lubrication can be done with little effort 
  • The ease of dismantling permits simple cleaning 
  • Rolled thread on the grease gun tube resists damage from impact and allows quick and easy screwing-in by 1,5 turns 
  • High-speed ventilation, by half a rotation of the grease gun tube 
  • Designed for use in rough conditions 
  • Similar to DIN 1283 



 Grease Gun Connection, pressure side: G 1/8"

Action: Variable stroke for precise & high pressure applications

Capacity: 400 cm3

Discharge Pressure: 400 bars

Refilling Options: 400 g Grease Cartridge

Burst pressure system: 900 bars

Diameter of Grease Piston: 9 mm

Burst pressure grease gun head: 1200 bars

Actuation: Manually Lever Operated

Dimensions: 330 mm x 140 mm x 66 mm

Galvanized Parts: Hand lever, push rod handle, ball seat valve

Delivery Rate/Stroke: Max. 2.15 at fat density of 0.92 kg/dm³, tested with grease cartridge 400 g

Includes: LockNLube Grease Coupler, 20" hose, in-line hose swivel, and 10 reusable plastic follower caps.

Customer Reviews
5.0 Based on 14 Reviews
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Terry S.
United States United States
Lock NLube

A little spendy but you get what you pay for. Works as advertised!

Don N.
United States United States
Happy LockNLube customer

I like the grease gun and it works as advertised.

United States United States
Wish I found this grease gun sooner

I got the gun to grease a 4x4, always been a difficult job, but this makes it take less than half the time without the mess. Easy to load and cleanly store.

Craig S.
United States United States
Great improvement in such a basic tool

The new grease gun design is a great improvement in old technology. Extremely easy to load and reload cartridges and on top of that it comes with the coupler which by itself is a great improvement to any grease gun. Well worth the cost!

John D.
United States United States
Finally affordable relief “greasing frustration!”

Life changing!!!! Have wanted a G. Gun for a while but couldn’t justify the price even after throwing and breaking several ordinary grease guns out of frustration! This one appeared on your site and it seemed like a good compromise. Absolutely amazing, no mess, no wasted grease, works flawlessly and seems very well made. Makers of traditional grease guns beware..... your days are numbered!

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