Item #: KB4-NF / 9167
Blade Width: 4 mm (≈ 0.16 in)
Pack Quantity: 5 blades per pack
Material: High-quality carbon tool steel
Fits: OLFA AK-4 Cushion Grip Precision Art Knife, AK-1/5B Graphic Art Knife

The OLFA KB4-NF features a **narrow chisel profile** for fine detail work and controlled shallow carving. Precision-ground from high-carbon tool steel, these blades deliver superior sharpness and durability for cutting thin wood, plastic, leather, and film with exceptional control.

Ideal for model building, crafts, and graphic design tasks where accuracy matters, the narrow 4 mm edge enables access to tighter corners and delicate trim lines compared to standard 8 mm chisel blades. Designed for compatibility with OLFA AK-4 and AK-1/5B handles, these replacement blades ensure a reliable, snug fit and easy blade changes.