[Easy to use] The single handle provides increased comfort and stability. Compared with previous tools, the rotary knife is safer, more comfortable and fully controlled. [Security] The integrated security lock function prevents the handle from being locked when the reader is not in use. For convenience and safety, the blade can be closed \/ opened. [Widely compatible] Our rotary cutter is equipped with a 45mm rotary cutter. Additionally, any rotary cutter can be compatible with pink, wavy, or shell-shaped blades. Based on the convenience and safety of the user, a rotary die cutting machine with a diameter of 45mm is designed. Our circular die cutting machine is made of high quality SKS-7 steel, and can cut more than six layers of fabric at the same time. In addition, when cutting leather, fabric, cotton, paper and other materials, it has no traces and is clean and fast. Rotary Knife and Safety Device with 3 Spare Blades Double safety design, it has a small safety button, which can avoid unnecessary contact between sharp knife and mechanical equipment. After pressing the button, you can carefully push it into the shell. The product is equipped with 3 blades. Tailor's knife with rotary knife + 3-blade knife Function: Sturdy structure and high quality materials, sharp knives, built-in blade protection cover, safety protection device can prevent accidental damage. Precision stainless steel blade 45 mm, ergonomic non-slip rubber grip, light and comfortable mm, Precision front and back, precise cut in 8 layers \/ 4 Material: ABS, SKS-7 Blade diameter: 45 mm Product size: 14 * 6.5cm \/ 5.5 * 2.6inch Product weight: 170g Package includes: 1x rotary cutter 3 round blades Due to lighting problems, there may be some deviation between the actual color and the picture color