$29.95
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$29.95 + Free Shipping
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LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

4.7 out of 5 stars 4,397 ratings

Price: $29.95 & FREE Shipping
    This fits your .
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  • Locks on, does not leak
  • 1/8" NPT compatible with all grease guns - battery, pneumatic, manual
  • Grease goes in, not on, the machine
  • World's original locking grease coupler.
  • World's only rebuildable grease coupler. Lowest lifetime cost.
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Customer reviews by feature
Easy to remove
4.8 4.8
Easy to use
4.7 4.7
Value for money
4.5 4.5
Leak proof
4.5 4.5

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Product Description

  • Unique patented design. Locks on.....Stays on....No leaks! Four hardened spring steel jaws are resilient under high pressure - over 10,000 psi.
  • Grease goes IN, not ON the machine. No more grease mess everywhere.
  • Ends the waste. Ends the mess. Ends greasing frustration.
  • Fits all Grease Guns - 1/8” NPT fitting.
  • Fits all SAE and Metric Zerk fittings. Simply replace your existing coupler, click the orange button on the right to buy.
  • Pressure locked? No problem. Easily releases from clogged fittings, even at extreme pressures.
  • Patented Locking Technology. US Patent 8955544


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LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.
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Customer Rating 4 out of 5 stars (3936) 5 out of 5 stars (334) 4 out of 5 stars (1461) 4 out of 5 stars (240) 4 out of 5 stars (277) 4 out of 5 stars (93)
Price $29.95 $39.95 See price in cart $17.99 $16.23 $11.99
Shipping FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25
Sold By Lock and Lube LLC Lock and Lube LLC CPO Outlets AZUNO TOOLS Amazon.com Lock and Lube LLC
Item Dimensions 9 x 1 x 6 in 5.5 x 0.97 x 1.5 in 23.5 x 4.31 x 13.38 in 3.19 x 1.57 x 0.79 in 4.75 x 1 x 4.75 in 4.5 x 1.75 x 1 in

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Customer reviews

4.7 out of 5 stars
4.7 out of 5
4,397 customer ratings
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Reviewed in the United States on October 11, 2018
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93 people found this helpful
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Reviewed in the United States on December 24, 2018
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Reviewed in the United States on January 22, 2015
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Reviewed in the United States on July 24, 2017
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Reviewed in the United States on August 10, 2017
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Top international reviews

Jblack
5.0 out of 5 stars The Only 1 to buy , skip the rest , Lock n Lube is the only 1 that worked for me !!
Reviewed in Canada on January 18, 2019
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2 people found this helpful
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Leanne R.
1.0 out of 5 stars Did not work for my purpose.
Reviewed in Canada on August 16, 2018
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2 people found this helpful
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Eric V
5.0 out of 5 stars Très facilFacile à installer très facile à graisser et aucune perte de graisse
Reviewed in Canada on November 14, 2019
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2 people found this helpful
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PK
5.0 out of 5 stars Great little tool for greasing!
Reviewed in Canada on November 12, 2019
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Amazon Customer
3.0 out of 5 stars Satisfied
Reviewed in Canada on March 25, 2018
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3 people found this helpful
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Good Lookin
4.0 out of 5 stars Ya, it's good.
Reviewed in Canada on March 3, 2018
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One person found this helpful
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joanne penny
5.0 out of 5 stars This thing is awesome! i have only had it for a short ...
Reviewed in Canada on November 20, 2016
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3 people found this helpful
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H1
5.0 out of 5 stars The outer sleeve pulls back, so good for tighter spaces
Reviewed in Canada on December 14, 2019
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Andrew J Gibson
5.0 out of 5 stars Hard to convince myself to purchase, but glad I did!!
Reviewed in Canada on April 13, 2019
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Claude1269
4.0 out of 5 stars as described
Reviewed in Canada on June 16, 2018
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One person found this helpful
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Mark
5.0 out of 5 stars Absolute life changer
Reviewed in Canada on January 11, 2020
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louis
4.0 out of 5 stars works as claim
Reviewed in Canada on February 25, 2020
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ML
5.0 out of 5 stars Works like a charm.
Reviewed in Canada on November 21, 2018
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NorthernDad
5.0 out of 5 stars Pricey but fits the bill - literally!
Reviewed in Canada on August 4, 2019
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Phillip Johnson
5.0 out of 5 stars Easy to use
Reviewed in Canada on July 8, 2019
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