Knife Invest model No. 5 double-edged (MPN 86.1009) — double-sided blade, hand tool

The Invest model No. 5 double-edged knife is a compact hand tool designed for precision cutting where a bidirectional blade is required. This double-sided blade configuration allows cutting in both directions without changing the tool orientation, making the knife suitable for trimming, scoring, and controlled slicing in workshop, hobby, or light professional environments. The product is intended for manual tasks that benefit from a reversible cutting edge and compact handling.

Advantages

The double-edged blade provides consistent cutting performance in forward and backward strokes, reducing the need to reposition the knife during detailed work. Its compact size supports controlled handling and fine movements, useful when working on small parts or delicate materials. The simple, utilitarian design focuses on function, offering a reliable option for repetitive cutting tasks where a reversible edge increases efficiency.

Suitable for

• Precision trimming and trimming of small components
• Crafts, model making and hobby projects
• General workshop cutting and light maintenance tasks
• Scoring and preparing materials for folding or breaking

Key specifications

• Blade type: double-edged (bidirectional) cutting edge
• Tool category: compact hand knife for manual cutting tasks
• Primary uses: precision cutting, trimming, scoring
• Operation: manual, single-handed control

How to use

Hold the knife with a comfortable grip that allows steady, controlled movements. Use the double-edged blade to cut in the desired direction without rotating the tool; apply consistent pressure and guide the blade along the cutting line. For scoring, make a light pass first and then deepen gradually to avoid material damage. Replace or resharpen the blade according to wear and the material being worked on to maintain cutting performance.

Usage recommendations

Use stable work surfaces and appropriate personal protection such as cut-resistant gloves and eye protection when working with sharp blades. Keep the blade clean and dry to prevent corrosion and check edge condition frequently; replace the knife when the edge no longer provides safe, effective cutting.