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An adjustable finishing curved trowel with a radius adjustadle blade has four adjustment pillars and a red plastic handle with a grey grip area

Adjustable Radius Trowel for Arches & Curved surfaces

by InnovaTools

$89.00 - $89.00
$89.00
$89.00 - $89.00
$89.00
Choose a Blade Length
Choose a Blade Shape

Flat-rate shipping by region
US & Canada from $14 • Europe from $35 • Rest of world from $55
U.S. orders delivered duty-free (no additional border charges)

The Only Adjustable Radius Trowel for Arches, Columns & Curved Surfaces

Form perfect curves in drywall, plaster, or concrete in seconds.

  • Finish arches in one pass
  • Eliminate flat spots on curved drywall
  • Adjust to any radius in seconds
  • Save hours on curved plaster work
  • Designed for drywall, plaster, and concrete finishing
  • Patent-pending adjustable radius system
✅ ANY SURFACE / ANY MATERIAL

• Got Curved Surfaces To Finish? - The Multi Trowel has blades with adjustable radius to match concave, convex, irregular and flat surfaces.

• Use it on drywall, plaster, cement, concrete, shotcrete... etc

✅ QUALITY & DURABILITY

• Heat treated and polished Stainless Steel blade.

• Reinforced plastic handle with rubber comfort grip.

• Stainless steel hardware.

• Easy To Clean & Maintain - Disassemble quickly and clean thoroughly to protect your investment.

✅ AMPLE RANGE OF OPTIONS

• Your Choice - 3 blade shapes (geometry) and 3 blade sizes to choose from.

✅ SHIPPING & DELIVERY

Ships within 1 business day from our Canadian factory.

North America delivery: 1–4 business days
U.S. orders delivered duty-free (no additional border charges).

International delivery: 6–14 business days depending on destination.
Some countries may receive reduced or no import duties under trade agreements with Canada. Please check with your local customs authority for details.

Flat-rate shipping by region:
• U.S. & Canada from $14
• Europe from $35
• Rest of world from $55

All shipments include tracking.



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The Curved Arc Multi-Trowel
The World's Only Adjustable Radius Trowel

The Curved Trowel That Will Make you More Money

Introducing The MULTI-TROWEL. The second generation curved arc trowel with adjustable radius. It now offers an all new over-molded rubber grip, new blades shapes and sizes, improved aluminum linear adjustments and new protective wallet. All developed and manufactured, right here, in North America.

Animated representation of the innovatools adjustable curved trowel showing different shapes

Any surface, Any Shape, Any Material
A multi-use radius adjustable trowel for infinite applications. The Multi-Trowel will save you time and money.  

Adjustable Radius Trowel Features

Introducing the Multi-Trowel

The patent pending Multi-Trowel is a radius adjustable curved trowel that lets you create virtually any shape – concave, convex or with multiple curves, or simply a conventional flat position. It comes in multiple blade sizes with multiple blade corner configurations. 

Any shape or sized surface

InnovaTools’ arched Trowel is fully adjustable for concave, convex or even combination shapes for finishing domes, curved walls, columns, round ceilings, and other irregular surfaces in drywall, plaster, concrete, stucco, etc.

Easy Set-up

Simply remove the attached Allen Wrench to loosen the adjustment screws and then fit your trowel exactly to the shape of the surface you’re working on. Re-tighten the screws and you’re ready to go!

Maximum Radius

When adjusted to maximum concave shape a radius of 8”(20cm) can be achieved. 

When adjusted to maximum convex shape a radius of 10”(25cm) can be achieved.

Light-weight & Practical

Weighing only 1.2 lbs (0.575kg), the Multi-Trowel is very lightweight and easy to control.
You can swap between blades in seconds.

Simple Cleaning & Maintenance

The blade and all hardware is made from stainless steel and can be easily disassembled for a quick or thorough cleaning.

Built to Last

◉  Stainless Steel Blade & Hardware: We make the blade out of heat treated polished stainless steel and we only use Stainless steel hardware for durability
◉  Aluminum Alloy Arms: Linear adjustments arms are made of high-grade CNC billet aluminum.
◉  Glass Reinforced Plastic Handle: The Multi-Trowel handle is made from fiberglass reinforced plastic with a engineered internal ribbing structure to ensure rigidity. It is over-molded with comfortable rubber handle grips.

Adjustable Trowel with Precision Engineered

innovatools adjustable curved trowel illustrated features

Evolved Design

Three years of field testing and product development have resulted in the use of the highest grade materials that will stand up to the rigors of long term professional use.

Round Blade Lengths

New & Improved Features

◉ New rubber over molded grip for improved comfort and ease of cleaning
◉ Quick change adjustment arms to allow for blade swap in seconds
◉  New adjustments configurations for 12’’ and 16’’ blades
◉ 3 sizes now available 12’’ (305mm) – 14’’ (355mm) – 16’’ (405mm)
◉ 3 corner configurations now available: Square, Round and Semi-circle
◉  New polished heat treated Stainless Steel blade
◉  New protective trowel wallet

Semi-circle Blade Trowel Lengths
Square Corners Blade Trowel Lengths

Create Your Own Custom Curve or Shape

You can custom shape your blade to fit any surface with a quick turn of the built-in Allen Wrench.
You can even loosen (float) one, or both ends of the Multi-Trowel to account for inconsistent surfaces.

Animated representation of the innovatools adjustable curved trowel showing different shapes
Drywall worker adjusting blade radius to column shape

One Radius Curved Trowel - Many Applications

Save time, save money, improve your accuracy and unleash your inner creator with the revolutionary Multi-Trowel

The Multi-Trowel in Action

Concrete, plaster, joint compound… The Multi-Trowel has a wide variety of applications across many different disciplines. Consistent results, time after time, effortlessly and efficiently

Finishing a Dome's Inside & Outside Curves with the Radius Adjustable Trowel

Perfect Adjustable Curved Trowel for Columns

A glimpse into how the Multi-Trowel is made

Changing trowel blades

Multi-Trowel Blades: How to easily change

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