Marshalltown · Inside corner tools
Flexible 4-by-5-Inch Inside Corner Trowel

Compatibility and working details
- Model
- 23D
- Listed blade dimensions
- 4 × 5 in
- Unloaded angle
- 103°
When to choose it
The 23D starts at 103 degrees and flexes toward 90 degrees according to the listing. The starting angle describes the unloaded blade. Choose the tool for a recessed right-angle corner and check both faces for clearance near adjoining trim.
The blade is flexible stainless steel with an aluminum mounting and DuraSoft grip. Compare the adjustable nylon tool if the wall opens to an angle that this fixed blade is not intended to finish.
Specifications
- Brand
- Marshalltown
- Construction
- Flexible steel inside corner trowel
- Work task
- Working compound in a recessed right-angle corner
- Model
- 23D
- Listed blade dimensions
- 4 × 5 in
- Unloaded angle
- 103°
- Intended flex
- To 90°
- Amazon.com reference
- B01LWUMCZD
Fit and buying advice
Measure the actual corner and check clearance for both wings.
Related choice Adjustable Nylon Inside Corner Trowel ↗
Questions about this product
Why does the listing give two angles?
The blade starts at 103 degrees and flexes toward 90 degrees during use. These values describe different conditions.
Which model should I compare for a wider inside corner?
Compare the Exact Angle adjustable tool if the corner is within its documented range.
Can I use this on the outside of a corner?
Choose a projecting-edge trowel with the correct profile. This model is for a recessed angle.


