Malcom Hot Air Systems' new Leister TriacDrive Overlapp Welding Tool features a motorized hand-steered drive with a knurled steel roller designed to allow constant nozzle position and speed. The unit utilizes the Triac 'S' hot air tool to provide adjustable temperatures from 70 to 1400 degrees F, and air speed control to 8 CFM.

Designed for vertical and horizontal use, Malcom's Leister TriaDrive Overlapp Welding Tool accepts any Leister Triac Series Tool.