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🔧 Nail every corner with precision and ease — the ultimate inside angle trowel!
The Marshalltown Exact Angle Inside Corner Trowel is a versatile drywall tool featuring an adjustable nylon blade that fits inside corners from 90° to 154°. Its easy-to-clean blade prevents wall damage, while the DuraSoft handle ensures comfort and durability. Made in the USA with global materials, this trowel is designed for professional drywall and EIFS applications, delivering precision and reducing user fatigue.



























| Blade Material | Nylon |
| Brand | MARSHALLTOWN |
| Color | Multi |
| Grip Type | DuraSoft |
| Handle Material | Plastic |
| Item Dimensions | 9.7 x 6.3 x 3 inches |
| Item Weight | 4.8 ounces |
| Item dimensions L x W x H | 9.7 x 6.3 x 3 inches |
| Material | Nylon |
| Material Type | Nylon |
| Style | Classic |
| Style Name | Classic |
F**.
Good tool and worth the money
The complaints that I saw were that it is too flexible. That is a good thing and this tool works great!
J**M
When purchasing check the radius of angles that it will fit on.
This drywall mud spatula is adjustable and worked really well on a lot of different corner angles.
F**O
Worthless product
Worthless product, don't buy it. This MARSHALLTOWN Exact Angle Inside Corner Trowel is way too bendable and weak. The blade flexes when you apply any pressure, so you can't get a clean, crisp inside corner. Disappointing for a Marshalltown tool, I expected better quality from this brand.
B**S
Got the job done, but not the best quality.
I had a 135* angle to mud in my attic. I'm a DIYer and that was my first attempt at it. I finally broke down and purchased this, and it did make it easier since I could do both sides of the joint at once. However, it's plastic. It gives. It's a bit cheap, especially considering it's Marshalltown. I wish it would have been stiffer, or better yet - metal. But it worked for what I needed.
J**R
Workable solution, not perfect.
Thus far, this is the best solution I've found for varying angles. Most pros will just use a flat knife, but using an angled trowel gives you the advantage of a nice, clean line. Also, using a straight knife doesn't force the compound into the corner as tightly, creating a much greater risk for pockets, which will dramatically weaken your joint. The only problem with this trowel is that it is plastic and flexible. When you tighten up the angle, it forces the plane to skew slightly, and round the leading edge, leaving you with somewhat of a rounded corner. I have a 1907 1-3/4 story house, so I have 45's EVERYWHERE, and being that it's an old house, none of the angles are uniform. That's why this makes a nice addition to my toolbox.
M**N
Drywall tool
Serves the purpose.
R**B
Doing what it needs to do.
I liked this a lot. Yeah it’s not going to be like the metal easy 90 degree ones but it’s doing what you need it to do.
M**H
No more banging my head against the wall!
Was banging my head against the wall trying to finish some awkward inside angles, after about the third coat I broke down and bought this thing, did the inside angle in 1 coat, then just skimmed it in after. No more banging my head against the wall. Could be a little sturdier since it's made of plastic but it was kind of nice to have the extra flex for long uneven corners. Anyways would totally recommend.
W**N
Easier corners
Use this every time I tape and joint. Great tool. Produces a lovely internal corner every time.
M**S
Trop fragile
Spatule très pratique pour les rampants mais beaucoup trop souple. C’est malheureusement compliqué pour sens servir sans qu’elle plie
J**I
Estupenda herramienta
Una gozada para que las juntas de 145° salgan parfectamente rectas y rellenas al unísono. Una pena no haberlo conocido antes, me habría ahorrado muchos quebraderos de cabeza.
C**N
Tutto ok
Tutto ok
D**K
Finally - a wide angle trowel
Most angle trowels are for 90 degree corners. For other angled ceilings and walls, it's nearly impossible to find the right trowel, though the pros do it fine with regular tools. I am NOT a pro. This adjustable trowel.works great. I wish I'd found it a long time ago. Some pros criticize it because it's made of nylon, and with heavy use they say the tip starts to wear out. For a casual user like I am, it will last longer than I care. Highly recommended if you've been frustrated by those broad corners. BONUS: it doesn't rust !!!
Trustpilot
1 week ago
4 days ago