describe[Easy to use] Unique handle provides greater comfort and stability. Rotary knives are safer, more comfortable and more controllable than previous tools. Safety Built-in safety lock function prevents the handle from being locked when the drive is not in use. For added convenience and safety, the blade can be closed/opened. [Wide Compatible] Our rotary cutters are equipped with 45mm rotary cutters. Also, any rotary knife is compatible with pink, corrugated or shell shaped blades. Based on the convenience and safety of users, a rotary cutter with a diameter of 45mm is designed. Made of high quality SKS-7 steel, our circular cutter can cut more than six layers of fabric at the same time. In addition, in the cutting process of leather, fabric, cotton, paper and other materials, there is no trace, clean and fast. Rotary knife and safety device Double safety design with small safety knob to avoid unnecessary contact between sharp knives and mechanical equipment. With the push of a button, you can push it forward in the hull. Function: Rugged construction and quality materials, sharp knives, built-in blade guards, safety guards prevent accidental damage. 45mm precision stainless steel blade, ergonomic non-slip rubber handle, light and comfortable mm, precision front and rear, precise 8 layers Cutting Hardware: ABS, SKS-7 Blade diameter: 45mm 3 round blades Due to lighting problems, the actual color may deviate from the picture colorDelivery Quantity: pc,Package Contents: Only the above package contents, excluding other products.Size: 165*63.5mm(Reminder: The size is measured by hand, please allow 1-2 cm measurement error)Color: green(Due to different monitors and lighting effects, the actual color of the product may be slightly different from the picture color.)