OSTER CryogenX Replacement Blade, size 3F - Chewy.com

Oster CryogenX Replacement Blade

By Oster
Rated 4.5435 out of 5 stars

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$43.95Chewy Price
$61.99Chewy Price

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About This Item


  • Oster Professional blades are produced from the finest high-carbon steel and handcrafted to rigorous standards, providing unparalleled precision and performance.
  • The blade cutting surfaces are sharpened, finished and tested with proven Oster® proprietary processes, ensuring ultra-sharp blades that continue to stand the test of time.
  • Cryogenically frozen in temperatures exceeding -300°F for over twenty hours. This helps lock the carbon molecules in place and maintain the toughness throughout the life of the blade
  • Penetrates curly coats and can be used for shaving extremely matted dogs. Ideal when clipping Shih Tzu, Maltese other drop coated breeds.
  • Blades feature longer, full teeth that act like a comb as it moves through coat. This helps leave a plush finish that is easy to manage between grooms.

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Grooming Tool TypeReplacement BladesReplacement BladesReplacement BladesReplacement BladesReplacement Blades
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Questions & Answers

14 Customer Questions

Will this blade fit the Oster classic 76 clipper?
Answer by ChewyNov 21, 2017
This blade fits the A6®, Golden A5®, Turbo A5®, Power Max and PowerPro Ultra® Clippers.

Will this blade fit the Oster powermax
Answer by ChewyJan 23, 2018
This Blade is compatible with the Oster Power Max 2-speed Pet Clipper.

Will this blade fit Oster Professional A5 model
Answer by ChewyAug 08, 2018
These blades are made to be accessories to the A5 models. They specifically fit the Golden A5 and Turbo A5.

What are the corresponding cut fur lengths for these blades
Answer by ChewySep 30, 2020
Blade size 3F would leave a length of 1/2 inch long or 13 millimeters, 4F would leave a length of 4/8 inches long or 9.5 millimeters, 7F would leave a length of 1/8 inch long or 3.2 millimeters, 8 1/2 would leave a length of 7/64 inches long or 2.8 millimeters, and 5/8 would leave a length of 1/32 inch long or 0.8 millimeters.

ReviewsWrite a Review

Rated 4.5435 out of 5 stars
46 Reviews
Would recommend to a friend

46 Customer Reviews

Filter by reviews that mention

Rated 1 out of 5 stars
By Brandon on Jan 23, 2023

Not for matted hair as described

Will not cut my dogs matted hair whatsoever. Would probably work just fine on unmatted hair but definitely not matted.

Rated 1 out of 5 stars
By Wally on Mar 7, 2022

Total disappointment

I ordered the 8 1/2 as a backup for an older oster 10 #1. The chart indicates they are almost the same. My old blade cuts well, but I wanted to be able to switch out when it got hot. This blade, just didn't cut. This is not a difficult trim. Just finish cuts on our Shih tzu . Fortunately I had a backup Andis 10 which though it cut too close it let me finish. I was very surprised with the Oster blade and will stick with Andis.

Rated 5 out of 5 stars
By TamD on Nov 17, 2021

Great blade for my clipper

I’ve used it twice now. It works as expected. I clean it and use the lubricant after each use.

Rated 5 out of 5 stars
By BeK9 on Jun 4, 2021

Beths K9 Dog Grooming

I have used Oster Blades for my dog grooming business, since I began in 2002. Very reliable, and durable, I especially like the 7F for rough cuts and summer clippings.

Rated 5 out of 5 stars
By Bubbles on Apr 8, 2021

What a life saver

I was getting ready to give my golden doodle a hair cut and my old blade wasn’t cutting. I found this and ordered it, boy what a great job. She looks great.

Rated 4 out of 5 stars
By 1234 on Jan 12, 2021

ok regular blades

Oster is good for bulk work and pre shaves but I don’t use them for finishing work. They are decent with hardness ratings and if maintained can be resharpened a lot before being truly dead. I don’t hate them but they aren’t anything special either. Basic blade that fits any A5 clipper. But they make the 3F which I do tend to use often at work so they have that plus!

Rated 2 out of 5 stars
By Cute on Dec 3, 2020

Loose piece

I just went to use this for the first time and the cutting piece was loose and wouldn’t work. I can fix it but I shouldn’t have to. Especially when the dog is on the table ready to be clipped. I am sure it is a fine blade.

Rated 5 out of 5 stars
By Scottiemom on Jan 9, 2021

7 oster blade

I needed a 7 blade and I ordered it and it came fast and in plenty of time to get my scottie groomed. Thanks for the fast service.

Rated 5 out of 5 stars
By Sheepies on Dec 1, 2020

Great Blades

I cannot say enough about Chewy, both my sheepies sadly were put down, but now we have a soft coated wheaten terrier puppy and I had to get all new blades. Great blades and service

Rated 5 out of 5 stars
By Packagedpoorly on Jun 21, 2020

Oster clipper blades - EXCELLENT

I purchased this Oster 7F clipper blade as well as an Andis 7FC which comes with a ceramic gutting blade. I'm glad that I ordered the Oster because I first tried the Andis it did not cut at all. After 5 seconds of that wasted time I opened the Oster 7F pack, installed it on my 20 year old Oster A5 Golden 2 speed clipper which cut through my Elk Hounds heavy fur like butter. I will never waste my time or money on anything but Oster blades again. Chewy refunded the money the Andis blade cost and it then was discarded.