The HG6031VK with Variable heat controls, heats up in 3-5 minutes and maintain constant temperature, Heating automatically switches off and cools when overheating, for long lifetime of the tool. its Ideal For Welding and Forming Plastics, Heat Shrink Tubing, Soldering Copper Pipe, Bending Plastic Pipe, Thawing Metal Pipes, Activating/De-Activating Adhesives and Putties, Stripping Paint And More!