Arweld series 750 is a fully regulated, single gun, solid state stud welding system primary intended for construction job site application of medium diameter stud and medium volume-industrial use, such as mechanicale/electrical factory, automotive industry, shipyard building, insulation/refractory contractor, etc. The weld timer is steplessly adjustable between 20-600 m.Sec. With current control steplessly adjustable between 50 -750 amperes. Wooden box.