The Magnum Steel XMAG ST 150 was designed to be unstoppable. Solid Steel ferrule with fluted chisel point. Made of Steel with a total cut of 3.5"/With our patented 2 Blade Entry and 4 Blade Exit Design the XMAG ST is devastating. Also with our new rear blade clearance technology. Front blades are .036 and rear blades are .040 blade and guarantee a giant wound channel and greatly increased exit wound probability. The Front Blades can be set to cut a 2" Entry, or can convert to 1 3/4" Cut, or set to free floating. All parts and blades are installed with screws and this crossbow broadhead is rated for unlimited speed.