This kit contains three electrodes made from zinc, copper and lead. Each electrode measures 1" wide and 5" long and is made from 99%+ pure metals. Each electrode is clearly stamped with its element...
With a 200-1000 F. temperature range, stainless steel construction, large numbers printed on a 1-1/2" covered face, and +/- 1 accuracy, this lead thermometer lets you pour lead at the optimum...