The Heavy Duty LPT-500-1 provides the most powerful and stable butane flame available for demanding jobs where the highest BTU output is required. Its precision orifice and controls offer the best there is in a high output butane tool. The ergonomic grip is comfortable to use at any angle and is designed with features to withstand the rigors of daily professional use. Hours of nonstop burning – 50 minutes on minimum setting. Flame temperature – 2400°F.