Klein Tools DK06 Knife – Serrated Duct Knife for Duct Board & Flexible Duct

Overview

The Klein Tools DK06 Knife is built for HVAC pros who need precise, controlled cuts through duct board and flexible duct. Crafted with a stainless steel blade, it resists wear and stays sharp through demanding job site work. The dual edge design adds versatility, giving you a serrated edge for tougher sections and a fine edge for cleaner finishes, all in one compact tool.

Safety and portability come standard with a puncture resistant nylon sheath that features a belt loop for hands free carrying. The Cushion-Grip handle is designed to reduce hand fatigue and provide a steady, secure hold even when you are wearing work gloves. This combination of materials and thoughtful design helps you stay productive from your first cut to the final fit.

Key features and benefits

• Cuts duct board and flexible duct with confidence and control
• Double edged blade with a fine edge on one side and a serrated edge on the other for versatile cuts
• Puncture resistant nylon sheath with belt loop for safe, portable storage
• Cushion-Grip handle for comfortable use during long sessions

Real world use cases

On installation sites, this knife enables clean scoring and trimming of duct material, helping edges stay neat and fittings align more easily. The serrated edge tackles tougher sections with less effort, while the fine edge finishes softer sections to a crisp edge. The ergonomic handle supports steady guidance through repeated motions, reducing fatigue over long days.

Durability comes from Klein Tools long standing heritage. Since 1857, Klein Tools has combined premium materials with meticulous workmanship, producing tools that professionals rely on. With stainless steel construction, dual edge capability, and a secure sheath, the DK06 is designed to be a dependable companion in daily use on busy job sites.

Maintenance is straightforward: keep the blade clean and dry, and store it in the included sheath when not in use. The knife balances well in the hand, making it comfortable to use for extended periods and easy to manage in tight or elevated work areas.

Care and handling

• Keep the blade clean and dry after use
• Store in the puncture resistant sheath when not in use
• Inspect the belt loop and sheath periodically for secure carrying