Electrode Holder M300A 1. supply kinds of welding holders 2. mateial : copper(best),brass(better),iron(good )all have American Style Electrode Holder 1. supply kinds of welding holders 2. mateial : copper(best),brass(better),iron(good )all have3. 300A ,500A ,600A ,800A all have4. packing : one piece into a polybag ,then each with a color box QTY(pcs):25G.W/N.W(kg)26/25MEAS(cm)55.5*34*23.5