Fit 4.5 (115mm) Hooked Slider. Arbor: 7/8 inch (22mm), maximum speed: 13000 rpm Made of high quality stainless steel that provides superior wear tolerance and high durability Perfect for cutting, carving, removing and sculpting fast waste Ideal for wood, plastics, ice and hard rubber, more material The blade is sharp. Do a protection job before it does. It is not recommended to lock the switch function on each mill Chains can be either dragged with a chainsaw file or replaced as needed 22-