Uniweld MTF-5 Cap'n Hook 5 Flame Tip Five flames with 100% wrap around heat for easy brazing of copper tubing. Capable of brazing up to 1" copper tubing. Hook tip made of tough, durable stainless steel to protect against bending; mixer and nut are made from brass. Proudly made in the USA and 100% flame tested. Fits either Uniweld's 71 or WH550 welding handle