Specification Heater Cartridges : 1. Compatible with Artillery Sidewinder X1 Sidewinder X2 Genius Genius Pro 2. 24V, 64W, VH3.96 Terminal. 3. Length: about 75mm. Thermistor: NTC100K built-in thermistor size φ3X5mm terminal XH2.54 2PIN male head, terminal cable length 70mm