Marshalltown QLT Plastic Joint Knife Set

The Marshalltown QLT Plastic Joint Knife Set is a practical, lightweight set of joint knives crafted from durable plastic, ideal for drywall taping, plaster smoothing, compound application, and general-purpose filling tasks. Designed to provide flexibility and ease of use, these knives are perfect for both beginners and seasoned professionals who require a set of versatile tools that are easy to clean, non-corrosive, and budget-friendly.

With multiple blade widths included, this set is suitable for everything from detailed patching to wide joint compound spreading. A must-have for drywall installers, painters, plasterers, and decorators.

Key Features:

• Durable Plastic Construction: Made from strong, flexible plastic that resists breaking or cracking under pressure.
• Multi-Size Set: Includes a range of blade widths to handle different finishing and filling tasks.
• Lightweight & Ergonomic: Easy to handle for long periods with reduced fatigue—ideal for ceilings, walls, and tight spaces.
• Rust-Free Material: Unlike steel knives, plastic blades won’t corrode when used with water-based compounds.
• Easy to Clean: Non-stick surface ensures quick cleanup after each use.
• Cost-Effective: Ideal for tradespeople, apprentices, or DIYers looking for an affordable yet functional set.

Typical Knife Sizes Included:

• 2" (50mm)
• 4" (100mm)
• 6" (150mm)

Specifications:

• Product Type: Joint Knife Set
• Blade Material: High-strength plastic
• Set Includes: Multiple blade widths (typically 3 knives)
• Handle Type: Integrated plastic grip
• Recommended Use: Plastering, taping, joint filling, smoothing compounds
• Country of Origin: Manufactured under QLT by Marshalltown standards
• Commodity Code: 8205591000

Boxed Dimensions & Weight:

Applications:

• Applying joint compound and filler to drywall seams and holes
• Feathering and smoothing plaster or putty
• General patching, decorating, and surface repair tasks
• Ideal for indoor drywall, renovation, and finishing projects

Frequently Asked Questions (FAQ):

Q: Are these knives suitable for professional drywall finishing?
A: While they are designed for light to medium-duty work, they are best suited for patching, minor drywall finishing, and areas where a rust-free, disposable option is preferred.

Q: Can I reuse these tools, or are they disposable?
A: These joint knives are reusable and can last through many jobs with proper care and cleaning, though some professionals use them as disposable tools on messy or quick-turnaround projects.

Q: Can they be used with solvent-based compounds?
A: They are best used with water-based materials like joint compound, filler, or lightweight plaster. Solvent-based materials may degrade plastic over time.

Q: Do the plastic blades provide the same finish as metal ones?
A: While plastic knives are slightly less rigid than stainless steel, they still provide a smooth finish, particularly for basic compound application, patching, and sanding prep.

Warranty Information:

The Marshalltown QLT Plastic Joint Knife Set is covered by a limited manufacturer’s warranty against defects in material or workmanship. The warranty does not cover damage from heavy-duty misuse or chemical exposure. Proof of purchase is required for all warranty claims