Micro Soldering Pen with Working Voltage 12 V is used with soldering stations as it is voltage sensitive and can be damaged by a wrong power supply. Vimla Engineering offers Micro Soldering Pen with Working Voltage 12 V. Vimla Engineering manufactures premium quality soldering iron under the brand name Soldron. The Micro Soldering Pen with Working Voltage 12 V, Model MSI, is available with an isolated element and long life aluminium coated tip. This Soldering Pen can also be made as per the requirements of the customers.