The SPT-10 with Tip, Knife, and for Gas Soldering Iron, manufactured by Portasol is a multi-purpose accessory designed to be used with Portasol gas soldering irons. It allows users to effectively and quickly remove paint from metal surfaces, strip plastic insulation from wires and fuse links, and engrave a variety of materials. The SPT-10 is made from aluminum alloy and copper for maximum durability. It features a precision-ground tip made from tungsten carbide, allowing it to heat up quickly and penetrate metal easily. The insulated handle ensures user safety and the extra-long tip knife reaches and works on hard-to-reach areas. The tip, knife, and for gas soldering iron are also compatible with most Portasol soldering tools.