ThrottleTube

The Columbia Taping Tools ThrottleTube Pressure Assisted Drywall Corner Box is designed to help professional drywall finishers apply joint compound quickly and consistently when finishing inside corners. Featuring a carbon fiber mud supply tube, the ThrottleTube combines lightweight construction with the strength and rigidity needed for demanding professional applications.

The pressure-assisted design helps maintain consistent compound flow, while the ThrottleTube provides control over material delivery. Together, these features help streamline inside-corner finishing and keep professional crews moving efficiently.

Lightweight Carbon Fiber. Professional Performance.

The mud supply tube is a critical part of any corner box system. Columbia's carbon fiber tube provides an excellent combination of lightweight performance, strength, and rigidity, helping reduce unnecessary weight while maintaining the solid feel professionals expect from their equipment.

The pressure-assisted system helps deliver joint compound smoothly and consistently to the corner box, while the throttle gives the finisher greater control over compound flow.

Key Features

• Carbon Fiber Mud Supply Tube – Lightweight, strong, and rigid construction designed for professional drywall finishing.

• Pressure-Assisted Design – Helps maintain consistent joint compound flow during corner finishing.

• ThrottleTube Control – Provides control over compound delivery for precise application.

• Designed for Inside Corners – Purpose-built for efficient drywall corner finishing.

• Consistent Compound Application – Helps deliver an even layer of joint compound along the corner.

• Lightweight Design – Carbon fiber construction helps reduce overall system weight for improved handling.

• Improved Productivity – Helps reduce the time and effort required for manual corner finishing.

• Professional Control – Allows finishers to manage material flow while working through the corner.

• Professional-Grade Construction – Built for the demands of daily drywall taping and finishing.

• Built for the Trade – Ideal for professional drywall contractors, tapers, and high-production finishing crews.