Feature●Material: Rotary knives are made of high-quality steel with nickel-plated surface, which has an extremely high hardness, is more durable and durable than conventional rotary knives. In addition, they also have good cold impact resistance, moisture and dust resistance.●Advantages: the high-performance lathe tool set has the advantages of high precision, strong impact resistance and powerful and clear speed that allows larger edges to be cut and machined.●Good performance: it is suitable for a variety of processing environments and can maintain good performance even in very dirty environments such as cast iron.●Easy to use: you only need to use a wrench to complete the replacement of blades and seals. It is easy to use and the best choice for your work.●☘️【Package Content】1 x S12M-SDUCR07 Drill Rod, 1 x SDJCR1212H07 Drill Rod, 1 x SDJCL1212H07 Drill Rod, 1 x SDNCN1212H07 Drill Rod, 10 x DCMT070204 Carbide Inserts, 4 x Wrenches .Description