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🔧 Roll your way to flawless corners — because every detail counts!
The MARSHALLTOWN CR3 Corner Roller is a 3-inch drywall tool with a 12-inch handle designed for applying joint compound smoothly into inside corners. Its replaceable acrylic cover and compatibility with extension poles make it a versatile, durable choice for professional-grade drywall finishing.



























| ASIN | B003A83GQY |
| Assembled Diameter | 1 inches |
| Best Sellers Rank | #66,274 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #94 in House Paint Rollers |
| Blade Length | 3 inches |
| Color | Red |
| Customer Reviews | 4.3 4.3 out of 5 stars (333) |
| Cutting Diameter | 1 inches |
| Date First Available | February 13, 2005 |
| Finish | Brushed |
| Included Components | Marshalltown - CR3 |
| Item Package Quantity | 1 |
| Item Weight | 5.3 ounces |
| Item model number | Marshalltown - CR3 |
| Manufacturer | Marshalltown |
| Material | Acrylic |
| Number Of Pieces | 1 |
| Part Number | Marshalltown - CR3 |
| Pattern | Roller |
| Shape | Rectangular |
| Size | 3 Inch |
| Warranty Description | All MARSHALLTOWN Company tools are warranted to be free from defective materials and workmanship. Any such defective product will, at our choice, be replaced or repaired free of charge if returned to us transportation charges prepaid. We reserve the right to issue a credit memo for the full value of any such tool, based on the purchaser’s net cost, in lieu of actual replacement or repair. Our liab… |
T**.
Time saving tool
This thing is amazing. Makes taping inside corners so much faster. Our first corner we realized it went on a bit thinner than we wanted but we got used to much mud the roller could hold pretty quickly. It also cleaned a lot better than you might think making it possible to use a second time. Overall easy to use and good quality.
R**E
Worked well
Worked well, cleaned up easy
W**R
Did the job for me
This is an inexpensive roller and it feels like it but that said it did the intended job perfectly. I use these corner rollers to apply drywall mud and it does a great job. using a poll allows me to apply mud from the floor then use a corner flusher to finish corners without need to get on a ladder.
Z**R
Excellent.
Perfect! Very easy to use. Easy to clean. Love it.
P**S
bought off a product review from a Youtuber and its a game changer when combined w/ techniques
100% love this corner roller I don't do enough drywall work to be buying them fancy expensive corner boxes and taping machines but this guy really helped with the way i tape my corners... and its not hard to clean either... only thing id like to see is a replaceable bonnet but honestly that doesn't matter with prompt cleaning i probable wont need another for years to come
L**Y
Waste of money and time
Unless your goal is heavily textured walls, this tool is useless. Don't waste your time
S**N
Seems kinda gimmicky
I didn't really find that this made corners any easier. It was much more effective to simply coat the corner myself or use the Tape Buddy. Not that easy to clean and if you can't clean every lit bit of drywall out it's done and you have to track down a replacement cover for another $5. Not really worth it for the cost.
A**N
Good product
Perfect for corner drywall mud
P**L
Works as advertised.
Works exactly as it should. A very handy tool for taping corners.
A**R
Five Stars
Great product!
E**N
Bonne qualité
Parfait
F**C
Quand meme cher
Cher pour ce que cest
G**.
Game changer!
Where was this when i started 33 years ago??!!! So easy ,wayyyyy faster,screw it in a pole and dip right in the bucket...it works incredibly well!
Trustpilot
2 weeks ago
4 days ago