This 3100A Stud Welder from Draper is designed for use on material thicknesses of 0.8-1.2mm The Draper 76592 is a high-quality Stud Welder. Features include quick-release stud gun with slide hammer attachment, dense earth clamp, adjustable welding parameters, power time settings and single or continual spot selection. Features: Quick-release stud gun with a slide hammer attachment Dense earth clamp Adjustable welding parameters Power time settings Single or continual spot selection Housed in a tough plastic storage case Comes with: Carbon rods x 3 Carbon rod chuck x 1 Washer connector Triangle washer connector Triangle washers x 10 12mm washers x 15 10mm washers x 15 Earth clamp Manual cupule and pulling hook Specification: Input voltage: 2V0V AC @ 50HZ Input current: 32A Rated max. supply current: 12.3KVA Output amperage range: 3100A Output voltage: 1-13V Welding time: 0-99 seconds For use on material thickness: 0.8mm-1.2mm Torch cable length: 3m Earth lead: 2m Dimensions: 350 x 220 x 280mm Weight: 28kg