Ideal for precision small jobs like SMTand micro-electronics. Element shaft is only 2.5mm thick with an isolated element! It can be set to high,medium or low with a contiously variable knob, and comes with a sponge tray with a sponge and a placing stand as standard. comes with an aluminium coated long life tip. Very popular amongst jewellery manufacturers for trimming/sculpture of wax casting. Continues rated (24 hours)