Marshalltown 14339 Drywall Taping Knife 12x3 Inch

Product Description

The MARSHALLTOWN 14339 is a 12 inch x 3 inch drywall taping knife built for finishing work on interior walls and ceilings. The blade is made from highest-grade blue spring steel, giving it the flex and resilience needed to feather compound cleanly across flat and curved surfaces. The blade backing plate is fully temper welded, reinforcing the connection between blade and handle to resist torquing under load. The DuraSoft handle is designed to reduce hand fatigue during extended finishing sessions. Drywall finishers, plasterers, and skilled tradespeople use this knife for embedding tape, applying finish coats, and skimming joints.

This taping knife is suited for residential and light commercial drywall finishing applications. It is sized for wide joint finishing, skim coating, and final finish passes where a broad, flexible blade improves feathering and reduces lap marks. The 12 inch blade width makes it a standard choice for third and finish coats where compound must be spread thinly and evenly over a wide band. Sold in packages of 6 units, making it practical for crew stocking or contractor supply.

Key Features

• 12 inch x 3 inch highest-grade blue spring-steel blade for consistent flex and durability
• Blade backing plate is fully temper welded for a rigid, torque-resistant blade-to-handle connection
• DuraSoft handle designed to reduce hand fatigue during long finishing runs
• Spring-steel construction supports controlled flex for feathering compound on flat and curved surfaces
• Packaged 6 units per package, suitable for contractor or crew procurement

Compatibility

Designed as a standard replacement or crew-supply taping knife for professional drywall finishing work on gypsum board installations.

Installation Notes

This tool is used by drywall finishers and plasterers during the taping and finishing stages of interior wall and ceiling work. Clean the blade thoroughly after each use to prevent compound buildup, which can harden and cause blade drag on finish passes. Store the knife flat or in a protective sleeve to avoid bending the blade. Do not use the blade as a pry tool, as this can permanently deform the spring-steel.

Technical Specifications

• Blade Width: 12 inches
• Blade Height: 3 inches
• Blade Material: Highest-grade blue spring steel
• Blade Backing Plate: Fully temper welded
• Handle: DuraSoft
• Weight: 6.72 pounds
• Package Quantity: 6 units per package
• Unit of Measure: EA

Standard Information

• Brand: MARSHALLTOWN
• Manufacturer Part Number: 14339