How is the bite of this extended grease gun head coupler?

Dear Customer Hello, our extended grease gun joints use upgraded and sturdy 6-jaw joints with reinforced jaws and high quality gaskets to ensure long-lasting and stable performance more tightly and no oil leakage, and thickened springs to ensure strong bite force.

What grease guns does it fit?

Hello, dear customer AORRZER grease gun coupler is suitable for all 1/8" NPT standard grease guns, pneumatic grease guns, manual grease guns, electric grease guns, also for all DIN and SAE grease nipples and all SAE and metric Zerk fittings. (For example: lincoln grease gun , lucas grease gun, john deere grease gun, Milwaukee M18 grease gun...)

What is the outside diameter of the grease gun coupler? I have a very tight spot to get to the zerk.

Hi, AORRZER XL Grease Gun Coupler has an outside diameter of 0.6" (16mm), which can easily lubricate excavators, tractors, plows, stump pullers and other agricultural machinery. Upgraded design, extended grease gun coupler head extension, can lubricate hard-to-reach recessed grease fittings.

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🔧 Lock it, reach it, grease it — the pro’s secret to effortless maintenance!

BUILT TO LAST - Premium alloy steel construction ensures wear resistance and a lifetime of reliable lubrication.
ONE HANDED OPERATION - Double-handle design frees your hands to work smarter, not harder.
UNIVERSAL COMPATIBILITY - Fits all 1/8" NPT grease guns and works seamlessly with DIN, SAE, and metric Zerk joints.
UNMATCHED GRIP STRENGTH - Reinforced 6-jaw coupler locks tight for zero leaks even above 10,000 PSI pressure.
EXTENDED REACH ADVANTAGE - Extra 2.3-inch length conquers recessed and tight grease fittings others can’t touch.

The AORRZER Grease Gun Coupler A-513 is a heavy-duty, leak-proof lubrication tool featuring a reinforced 6-jaw locking mechanism and an extended 2.3-inch reach. Crafted from upgraded alloy steel, it fits all standard 1/8" NPT grease guns and is designed for one-handed operation, making it ideal for professionals tackling tight or recessed grease fittings on automotive, farm, and industrial equipment. Backed by a 1-year warranty and 24/7 support, it’s engineered for durability, precision, and ease of use.

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Manufacturer	AORRZER
Brand	AORRZER
Model	A-513
Product Dimensions	11.99 x 6.48 x 1.4 cm; 190.79 g
Item model number	A-513
Manufacturer part number	AORRZER-513
Item Weight	190 g

Grease Gun Coupler-Upgrade Extra Reach for Recessed Grease Fittings,Strong Lock on Grease Couplers, Compatible with All Grease Guns 1/8" NPT Fittings，XL Quick Release Grease Gun Tips Locking

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