Will this take 3 oz cartridges?

I don't think so. This Grease Gun is made to be individually loaded from the top (it unscrews), and there are NO springs inside the big tube to force the grease up and out. This is a very old, and very good design dating back (at least) to the 1920's and the plunger works by creating a vacuum of pulling the grease up from the tube, while pushing it into the zerc fitting. I got it use on a few old 1920 era motorcycles and found it would work on more modern design zerc fittings. To fill it, you need to unscrew the top, force the metal follower down to the bottom of the tube, and fill the grease from a tub. I only use Moly based grease and need a tongue depressor to fill the tube. There are a few explanation videos on u-tube. Bottom line - it works, it is much cheaper to operate than a 'modern cartridge type' and it will work on any size zerc. For the money you can't go wrong.

Anyone know the correct fitting to allow standard grease gun fitting to be adapted to this mini grease gun?

You can, this and the other grease guns like this are all copies of the original lincoln lubrigun from the 1920-1950's. I own an original one from the 1950's and it came with a zerk adapter in addition to the needle. These came in tool kits packaged with most new tractors back in the day.

Will it work on a chainsaw?

Yes it will! . I bought for my chainsaw and it worked so well I ordered a second. Both work great and I keep one in each case. I did have to file the tip back about .025 so the tips taper sealed the bar hole completely...........takes about 30 seconds to do with a fine metal file...

does it come with grease?

No, u can use any kind of grease, I use mine 4 my air tools, wen I use to work on airplanes, I used that type of grease for the air tools, but I also have another Astro 101 for automotive grease, for those small amounts u need.

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Astro Pneumatic Tool 101 Mini Grease Gun

Astro Pneumatic Tool 101 Mini Grease Gun

Product ID: 50781733

🎯Precision needle nozzle

💪Lightweight 1 lb design

🛠️3 oz grease capacity

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E£ 4913

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Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Keep your gear slick and your workflow smoother than ever!

COMPACT POWERHOUSE - Mini grease gun fits perfectly in your toolkit for on-the-go lubrication.
ONE HANDED OPERATION - Ergonomic design lets you grease efficiently while multitasking.
DURABLE LIGHTWEIGHT - Heavy-duty build at just 1 lb for effortless handling and long-lasting use.
PRECISION APPLICATION - Needle nozzle targets hard-to-reach fittings with exact grease delivery.
VERSATILE MAINTENANCE ESSENTIAL - Ideal for air tools, mountain bikes, and flush-type mini grease fittings.

The Astro Pneumatic Tool 101 Mini Grease Gun is a compact, lightweight lubrication tool featuring a precision needle nozzle and a 3-ounce grease capacity. Designed for one-handed use, it efficiently services air tools, mountain bikes, and other mini grease fittings, making it an essential addition to any professional or enthusiast’s maintenance kit.

Specifications

ASIN	B000FMK7FG
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	6,873 in Automotive ( See Top 100 in Automotive ) 58 in Greases & Lubricants
Customer Reviews	4.6 4.6 out of 5 stars (3,606)
Date First Available	7 Aug. 2012
Included Components	Needle Nozzle
Item Package Quantity	1
Item Weight	272 g
Item model number	101
Manufacturer	Astro
Material	Other
Part Number	APT-101
Power Source	ac
Product Dimensions	22.86 x 13.34 x 3.81 cm; 272.16 g
Thickness	10 Inches

Reviews

V**S

Great bit of kit

Does exactly what it’s supposed to and a great bit of kit

25.09.2025

D**N

Mini grease gun

Really happy with this item, used plenty of times for greasing bearings

18.04.2026

A**R

Mountain bike maintenance

Great for use on mountain bike maintenance

17.03.2026

R**Y

Fiddly to fill but a great tool

A bit fiddly to fill up… you have to push the inner plate down then fill it up with silicone grease (or grease of choice) then put the lid back on and push the plate back up from the bottom to push the air out, after that it works perfectly

16.02.2026

A**R

I love it !

I love it ! Im a gas engineer always use silicone grease for orings etc .when using it out a tube its messy and you waste loads . This little thing is great ! Tidy and precise ! I never leave reviews but im well chuffed with this . Cheap as chips as well ! Its the little things in life that make me happy ! And if your a sad man like me buy 1 ! It will make you happy ! 😆

25.10.2025

B**S

Good product.

Very good little product. Great for precision things.

2.02.2025

P**S

Well made

Very nice and easy to use small gease gun

26.11.2024

S**G

Works very well

It works as well as it should .

11.01.2025

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E£ 4913

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In stock

Sold byAmazon EGYPTDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to EGYPT.

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TrustScore 4.5 | 7,300+ reviews

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