This NT Cutter BDL-41P Spare Blade set offers high-precision cutting performance in a compact, finely engineered form. Designed for NT's professional-grade pen-type knives, each blade features a 35 degree angle tip that delivers clean, crisp slices, making it ideal for artists, designers, and modellers demanding exceptional control.Built for cutting thin materials like paper, film, and vinyl, these blades are especially useful in detailed template cutting, architectural model work, graphic arts, and stencilling. Whether you're tracing curves, trimming decals, or executing complex patterns, the sharp, narrow profile enhances both accuracy and handling.Product Data:• Blade Size: 6mm x 31mm• Blade Thickness: 0.45mm• Cutting Angle: 35 degrees• Material: High-precision carbon tool steel• Set Contents: 10 blades per pack• Compatible Tools: NT Cutter art knives including D-400, D-400P, and othersTo use, insert the blade carefully into a compatible NT Cutter pen-type handle. Secure the blade as instructed by the tool's design. For best results, apply gentle, consistent pressure while cutting. Always cut on a suitable surface to preserve blade integrity and ensure safety.Store unused blades in the protective case provided. Keep out of reach of children. Blades are extremely sharp—handle with care. Replace dull blades immediately to prevent tool damage or injury.