Flange mounted handle mechanisms mount on the flange of an enclosure door. The flex shaft is an extra heavy duty mechanism that includes a flexible shaft in various lengths, 3 ft through 10 ft for use with various size enclosures. The flex shaft handle will accept up to three padlock shackles, each with a maximum diameter of 3/8 in. It can be used with Type 12 fabricated enclosures. An optional handle is available for flex shaft that is suitable for use with Type 4 environments.