The PENWELD 305-S 230V 173.372 from Leister Updated design to produce an excellent ergonomic hand grip for ease of use over long periods of time. Slim, lightweight and with a 310 air hose rotation, the PENWELD 305-S M14 Screw-fit model is particularly well suited to harsh environments and tight spaces. The high quality air hose incorporates the power lead and is robust enough for industrial environments. The temperature setting knob in the handle is recessed, preventing the settings from being unintentionally altered during operation, increasing process safety and quality of work. As with all Leister tools, the electronic components of the PENWELD 305-S are carefully encased and protected against moisture and contamination. All PENWELD device variations have a particularly powerful and durable heating element, capable of handling all aspects of hot air draw welding of detailed plastic tanks, air washers, pump wells etc. Ideal for use with an external air supply such as the Leister RO