The rotary cut kit includes 5 additional spare blades The size of the rotary knife is 45 mm. It is made of SKS-7 steel, which keeps the blade sufficiently sharpened and does not eat rapidly. These types of blades are perfectly suitable for cutting all kinds of fabrics, paper, felt and vinyl. Safe and easy to use: the rotary knife has a safety knife, you must press on before unlock the blade and first secure the safety. The blade being very sharp, the rotary knife must be placed in a safe place and out of the reach of children. Friendly design: The handle of the rotary knife has an anti-slip function, which meets the ergonomic design standard. In this way, it can help you reduce joint fatigue. Multiple Use: This rotary cutting kit can meet the needs of any cutting process, such as: B.Tissu, and even cut several layers of fabric, paper, foam, leather, etc. Using this rotating cutting machine, it is also easy to pierce holes on the template. ergonomic design: It is equipped with a safety knob because the blade is very sharp, so children can only use this rotating cutting tool than under the supervision of their parents. In addition, the rotary handle is flexible, durable and comfortable and reduces articular fatigue. Multifunctional application: The rotary cutting kit / rotary knife has a wide range of applications in different fields of the cut. It is suitable for cutting multilayer and monolayer fabric, cutting paper, cutting foam, leather cutting and cutting / punching patterns, etc., which makes your life easier. specification: Material: SKS-7 steel Product size: Reference image Extending delivery: 1 x rotary knife 5 spare blades Please allow a slight deviation in the measurement data and make sure it does not bother you before to order. High quality store for you