DC12-24V 65W Solder Tip Handle Replacement Accessory for SH72 Soldering Iron (SH B2) Condition:  Item Type: Soldering Iron AccessoryMain Material: Stainless steelApplication: Suitable for SH72 soldering ironPower: 65WPower Interface: 5.5x2.5mm (The outside is negative and inner is positive)Operating Voltage: DC12-24VOperating Current: ≥ 1.5ATemperature Range: 220-400℃Handle Size: Approx. 110x16x15mm/4.3x0.6x0.6inSize: Approx. 115x5.5mm/4.5x0.2inInstallation & Use:1. After unpacking, loosen the fastening nut and remove the fastening nut.2. Insert one end of the tip with a conducting ring into the holder3. Insert the nut, tighten the nut and secure the soldering tip4. Turn the thermostat to set the appropriate temperature (raise the temperature clockwise, lower the temperature counterclockwise) 5. Power the prepared power adapter (DC12-24V) and plug the DC into the DC socket of the soldering iron control handle