Hot Wire Freehand Router (226941)Form the blade into any shape!! Comes with 5 ultra-stiff, yet shapeable 10.5" wires that bolt onto the arms. Scoop out big or tiny pieces of foam for any level of control. The Freehand Router is to foam what the chisel was to stone. The Freehand Router must be used with the Multi-Heat Pro Power Station . Power supply sold separately.