The SCR1-58-1223 is a Sure Shot® welding mold for a conductor to the copper ground rod connections. It is a single-use biodegradable ceramic mold for exothermic welding for 5/8 Inch ground rod size and conductor size of #1 and #2 AWG solid or #2 and #3 AWG stranded. Sure Shot® molds come packaged with all the necessary components to make a connection.