Is the KRETLAW Grease Gun Worth It?
Worth It, But Mind The Coupler
around $20price at time of review — check Amazon for current
- Worth it ifYou grease a trailer, mower, or a few fittings a handful of times a year
- Skip it ifYou grease equipment daily and need a bombproof coupler every time
Amazon shoppers rate it 4.2 out of 5 across 2,603 ratings. That is their number, not ours.
By Wesley Cole, automotive · updated 2026-07-30
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Picture yourself wedged under a trailer axle, one hand keeping a grime-caked zerk fitting steady while the other pumps a cheap grease gun that's spitting more grease onto your knuckles than into the joint. If you've searched for a kretlaw grease gun review before dropping twenty dollars on a replacement, you already know that feeling: the tool costs less than a tank of gas, but you don't want to be back under that axle next week doing it all over again.
A grease gun's whole job is turning arm strength into pressure, and this one does it with a T-handle pull rod, a coil spring, and a plunger sealed by an O-ring. Squeeze the trigger and that plunger shoves grease out at up to 3000 PSI, which is what it takes to push through a stiff joint instead of just churning inside the barrel. Where that pressure actually goes depends on the coupler: the 4-jaw coupler has to clamp fully around the zerk fitting before you pull the trigger, because grease under pressure takes the path of least resistance, and an unseated coupler means it backs out the seam instead of into the joint. The 12 inch flex hose is the part that earns its keep, letting you reach a fitting buried behind a control arm without contorting your whole arm behind it. The two preloaded 3oz cartridges are the other quiet convenience: you're swapping a sealed cartridge instead of hand-packing grease from a bulk tub, which is the difference between a five-minute job and a fifteen-minute mess.
So the real purchase here isn't raw pressure, most guns in this price range can hit 3000 PSI. What you're actually paying for is reach, thanks to that flex hose, and a cleaner reload thanks to the cartridges. The coupler is the one part that needs a little patience, because that's the joint where the pressure either goes to work or goes nowhere.
Worth it if
- You grease a trailer, mower, or a few fittings a handful of times a year
- You want something compact enough to store in a toolbox drawer
- You'd rather swap a sealed cartridge than hand-pack grease from a tub
Skip it if
- You grease equipment daily and need a bombproof coupler every time
- You already own a full-size gun that reaches everything you need
- You want a bulk-load option instead of small cartridges
Not for anyone greasing multiple machines every day who needs a coupler that seats itself without fuss.
If you grease a trailer hitch, a mower deck, or a couple of ball joints a few times a year, this is a quiet yes, compact enough for a drawer and cheap enough not to sweat. If you're greasing fittings daily on a fleet or heavy equipment, spend more on a gun with an all metal coupler that seats itself without a fight.
Check price on Amazon · around $20 or Add it to your Amazon cart to sit on it
Before you go
Is Kretlaw a good brand?
It's a budget brand built around compact, home garage tools rather than heavy industrial gear, so it's worth judging on value and convenience rather than name recognition.
Is there a grease gun that actually works?
Any grease gun that builds enough pressure and has a coupler that fully seats on the fitting will push grease where it needs to go, the trick is making sure that coupler is seated before you squeeze the trigger.
Who makes the best grease gun for the money?
For occasional home use, a compact pistol grip gun with a flex hose and swappable cartridges like this one covers most of the value; for daily heavy use, a pro-grade gun with an all metal coupler is worth the extra cost.
Full spec sheet
| Brand | KRETLAW |
|---|---|
| Model | K180006 |
| Item Weight | 1.98 pounds |
| Product Dimensions | 12.2 x 4.72 x 1.57 inches |
| Manufacturer Part Number | Schmierpressen |
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