60 Pack Utility Knife Blades, SK5 Steel Heavy Duty Box Cutter Replacement Blades with Plastic Case?Standard Size Razor Blades for Most Standard Utility Knives

Vickay 60 Pack Utility Knife Replacement Blades Durable SK5 Steel Box Cutter Razor with Hard Plastic Case Features: ?60pcs utility knife blades coming in 6 plastic case,each case contains 10 blades ?Standard size for most standard utility knives ?Made from heavy duty premium SK5 steel ?Higher hardness 60-63HRC for maximum durability,lasts 5x longer life ?Engineered with a precision-honed edge and 26°cutting angle,extra sharp ?Ideal for cutting cardboard, rubber, leather, linoleum, rope, soft metal and most DIY projects, designed for general purpose cutting. Our products are verified via below tests: --Blades CATRA Tests: BS EN ISO 8442-5: 2004 --Blads loading cycles tests > 5000 cycles --Corrosion tests base on ASTM B117 Attention: 1. Please keep it far away from children 2. Use it carefully and avoid hurting your fingers when touch the edge of the knife blade 3. Knife blade has little anti-rust oil to prevent rust, but making the knife blades adhere to each other, so need be careful or wear gloves