Features: *Made of high quality of steel blade, sturdy, lightweight, durable, not easy to break. *durable: easy to cut and has a long life service. 10Pcs in case for long time using. *Separated from the air with rust-preventing oil, preventing rust or blunt. *It can be applied in home decoration, office supplies, manual cutting,paper, plywood, plastic, leather, etc. *Transparent storage case is portable, easy to carry away. Small size won't take much space. Specifications: Product name: Trapezoidal blade Material: 60# Carbon steel Color: Silver Size: (Approx. ) 6018mm / 2.360.7 Inch Suitable for: Cutting Quantity: 20 Pcs Set Package Included: 20 Trapezoidal blade Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.