Compare this coil heater to part number SSTC-32-90. The coil heater inner diameter is 0.50", and the coil heater length is 4.5". The electric coil heater leads are 36" long with stainless steel overbraid. The coil heater is made for 240 volts and 300 watts. Has a type j thermocouple. This Viper coil heater has a .13" by .13" square cross section. This coil heater has a CL2 orientation like the coil heater in the picture. 1.75" unheated length at lead. Also has a 1.12" extension at the lead.