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Andis

Andis 04521 Carbon Steel T-Blade, T-Outliner, GTO, GO & GTX Trimmers

  • Based on 33,896 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, Oct 21
Order within 3 hours and 56 minutes
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Set name: Replacement Blade


Features

  • FITS YOUR FAVORITES: Replacement blades for the Andis T-outliner, Andis Blackouts, Andis GTX, and Andis T-outliner Trimmers, cordless and corded are available.
  • ACCURATE EXCELLENCE: The small blade is made from a high-tech material; it keeps more wear-resistant and long service life for staying sharp. It is best for outlining, dry shaving, and fading.
  • EASY INSTALLATION: T blades are simple to install you simply follow the directions, which is quite handy.
  • HEAT RESISTANT: The heat-resistant close-cutting T-blade provides a cooler and more pleasant smooth-cutting experience.
  • PRODUCT DETAILS: The Andis blade 04521 measures 1 x 4 x 3 inches and weighs 0.05 grams; Replacement blade for Andis model GTO, GO, and GTX trimmers; The longevity of your blade life can be extended by oiling it before every use.

Description

The Andis 04521 Replacement T-Blade for T-Outliner Trimmers, are favored by barbers for their ability to cut crisp outlines and designs. Andis Company has been crafting professional-grade tools since 1922. The GTX T-Outliner deep tooth blade allows longer hair to feed through the blade faster and can be used for light fading. Trimmers used with attachment combs are perfect for beard maintenance.

Product Dimensions ‏ : ‎ 0.25 x 4 x 3 inches; 0.71 ounces


Item model number ‏ : ‎ 04521


Department ‏ : ‎ Men


Date First Available ‏ : ‎ October 2, 2002


Manufacturer ‏ : ‎ Andis Co


Best Sellers Rank: #2,492 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #3 in Hair Trimmer & Clipper Blades


#3 in Hair Trimmer & Clipper Blades:


Customer Reviews: 4.5 4.5 out of 5 stars (33,896)


Recommended Uses For Product: Trimming


Manufacturer Warranty Description: As per manufacturer


Brand Name: Andis


Target Audience: adult males


Model Name: Andis T-Outliner


Specific Uses For Product: Outlining, Dry Shaving, Fading


Number of Packs: 1


Item Highlight: Wear-resistant blade for outlining, dry shaving & fading, heat-resistant, cooler cutting, hair trimmer blade


Unit Count: 1 Count


Manufacturer: Andis Co


Hair Type: Every Hair Type


UPC: 040102045219


Global Trade Identification Number: 19, 22


Model Number: 04521


Manufacturer Part Number: 40102045219


Power Source: Battery Powered


Other Special Features of the Product: Charge Indicator Light


Operation Mode: Manual


Minimum Cutting Length: 0.5 centimeters


Item Weight: 20 g


Item Dimensions: 0.25 x 4 x 3 inches


Material Type: Carbon Steel


Blade Material: Carbon Steel


Color: Silver


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Similar Products

Top Amazon Reviews

    • Gives barber-quality lines right at home!
Set name: T-Outliner
I bought these Andis T-Outliner trimmers for my husband, and they have worked out so well. He loves them! They deliver crisp, sharp lines for his hairline, removing hair easily, giving him that fresh-from-the-barber look in a small easy to hold tool. The build is solid, heavy, and durable, feeling like a real professional-grade tool rather than a cheap, plastic set. It works exactly as described and hasn't disappointed us at all. I’d definitely recommend these to anyone looking for a reliable, high-quality trimmer. ... show more
Reviewed in the United States on September 2, 2026 by Isabella
    • Exactly What I Expected from a Factory Replacement
Set name: Replacement Blade
Perfect factory replacement for my Andis T Outliner. There really isn’t much to say beyond that because it fits, works, and was simple to replace. I’d like to think sticking with the factory blade is the better choice, although I can’t honestly compare it to aftermarket blades because I’ve never used one. This was exactly what I expected and installation was easy if you’re already familiar with your T Outliner. My only small wish is that it came with new screws. Not a complaint, just something that would have been nice to have included. ... show more
Reviewed in the United States on August 31, 2026 by Eric Salazar
    • Edge like there's no tomorrow
Set name: T-Outliner
Hated my prior Wahl trimmer. THIS is the one that I needed all along. I basically just use it to trim and clean up and then knock back 5:00 shadow if it grows to 2-day scruff. Works great, loving it.
Reviewed in the United States on September 18, 2026 by Brooke Solt
    • Andis T-Blade Replacement... Uh, Yeah, It's Okay, I Guess
Set name: Replacement Blade
Blade Was Getting Dull, So I Tried This - It's... Fine. For Home Use, Anyway. So, my old Andis T-Outliner blade? Just wasn't cutting it. Like, literally. Pulling hairs, not slicing. Real pain. Thought about getting a whole new trimmer, but, you know, cash is tight. So, figured I'd just try swapping the blade. Saw this one online, seemed cheap enough. Good news? Putting it on was actually easy. Like, surprisingly easy. Couple of screws, swap it out. Didn't even need to look up instructions, which is always a bonus. Packaging was kinda annoying to rip open, though, those plastic clamshell things are the worst. Sharpness? Hmm. It's better. Definitely better than the old dull thing I had. But if you're thinking it's gonna be like, brand new, super-sharp barber-grade blade? Nah. Don't expect that. For just doing my beard and stuff at home? It's fine. Does the job. It's better than before. Think of it like... you know, when your kitchen knife gets dull and you sharpen it a bit? It's better after you sharpen it, right? Still not a new knife though. That's kind of how this blade feels. It's sharpened up my trimmer a bit, for sure. The "cooler cutting" thing? Maybe a little? It doesn't get quite as hot as the old one, I guess. But it still gets warm-ish after a while. So, yeah, a bit cooler. Comfort? Yeah, it's… acceptable. Word of warning – you gotta oil it. Seriously. Without oil, it's kinda draggy and doesn't cut as smooth. So, oil is your friend. And if you're one of those guys who needs perfect lines, zero-gap and all that? You might still need to tweak it. I didn't bother. Close enough for my bathroom mirror. Bottom line? Cheap way to make your trimmer work better if your old blade is toast. Quick Notes (Just Random Stuff): Sharpness - Okay-ish Out of Box: Not super sharp, just okay for home use. "Cooler Cutting" - Slightly Noticeable, Maybe: Hard to really tell, but maybe a tiny bit cooler. Oiling - Seriously, Oil It: Important. Screws - Were a Little Fiddly, Actually: Okay, lied a bit earlier, the screws were a little annoying to get back in, now I think about it. Minor gripe. Packaging - Hate Clamshells: Seriously, who designs those things? Yeah, So... Four stars seems about right, for what it is. Made my old trimmer usable again, didn't cost much. If you just need a blade for home and don't wanna spend big bucks, it's… decent. Just don't go expecting miracles. It's cheap, and it works okay. So, yeah. 4 stars. ... show more
Reviewed in the United States on December 15, 2024 by Osekou
    • A Quality Replacement Blade
Set name: Replacement Blade
Review Image by Amazon Buyer
I purchased the Andis 04521 Ceramic T‑Blade as a replacement for my Model C trimmers, which I’ve used for many years. Although I wasn’t sure the new blade would match the quality of the original, it performs exceptionally well. The trimming precision is excellent, and I’m very satisfied with its quality. Thank you, Andis, for maintaining strong quality standards. I confidently rate this replacement blade five stars and will repurchase it when needed. P.S. My order was delayed in arriving, but Andis included a second replacement blade with my order for my troubles. To me, this was a sign of excellent customer service! ... show more
Reviewed in the United States on July 27, 2026 by Amazon Buyer
    • Great Professional Trimmer
Set name: T-Outliner
Review Image by Leon Simpson
Review Image by Leon Simpson
I’m very happy with this Andis trimmer. It feels solid and professional, and the blade gives a clean, close cut that’s great for lining up my beard, mustache, and hairline. It’s easy to handle, powerful, and gives precise results without needing to go over the same area repeatedly. Andis has a good reputation for barber-quality tools, and so far this trimmer lives up to it. Definitely worth the purchase and I would recommend it. ... show more
Reviewed in the United States on September 12, 2026 by Leon Simpson
    • good product
Set name: T-Outliner
this is my 3rd T-outliner trimmer in 15 years. the only reason I had to get a new one is 1. I left one at a hotel, 2. someone stole the other from me. I've had zero issues with this product always reliable, cuts close, leaves me with a clean fresh face and bald head each use. for the price I highly recommend this product ... show more
Reviewed in the United States on August 15, 2026 by G. Stewart
    • Sharpness!
Set name: T-Outliner
Not as good as the OG outliner. Quality product as usual but it's not as sharp as the original. I had the original liner for about 8 years now kept it in good condition with periodic maintenance. The blade broke, so I decided to get a newer version, still the same in every way but the original was way sharper. ... show more
Reviewed in the United States on May 18, 2026 by GT

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