Package includes: the package comes with 4 boxes of fixed knife blades, and each box contains 10 pieces blades, the sufficient quantity fully meet your needs for use and replacement
High-carbon SK2 steel blade: utility knife blades adopt SK2 high carbon steel, high-temperature quenching treatment of the edge, and three-stage magic cutting process, with special heat treatment surface, more durable and long lasting than other knife blades; And these black blades have advanced blackening technology, durable and anti-rust, with dual anti-corrosion and anti-oxidation effects
Well engineered: stainless steel blade is designed with the - 50 degree cutting angle, which makes force more uniform but does not easy to break the tip; Each blade has a precision-honed edge which the edge is flat, neat and pointed, bringing a faster cutting speed and extended cutting life without breakage
Multi-purpose: blade knife set fits well for cutting cardboard, leather, linoleum, rope, soft metal, pipe, paper, also suitable for most DIY projects universality; Car-boned blade is standard size for most standard utility knives
Size information: each carry knife fixed blade measures about 2.3 inches in length, 0.7 inches in width, and thickness is about 0.6 mm; With 3 layers cutting edge, carbon fixed blade is strong and sturdy, and it is packed in hard plastic box to ensure safety, avoiding hurting you