Wall Lenk Pro Torch Soldering Tools Jewelry MakingCrafts Art Supplies torches provide adjustable high output flames. They have lightw 8 polymer bodies ergonomic grips that make refillable torches ideal for lab studio or home. Internal parts are longwearing brass ceramic. On min settings the pro quality LPT 500 has 200 minutes of non stop use; the LPT 200 has 60 minutes. 2500°F flame temperatures. Some fitting of the components required.