The STM Right Angle Worm Gearbox WMI from HMA Flow & Industrial is not only heavy-duty and reliable, but has a range of modular accessories that include an output shaft, torque arm and protection cover. The cubic shape of the gearbox not only allows for universal fixing, but also for greater modularity and easy management of the components in stock. Sizes from 25 to 90 are in aluminium, while sizes from 110 to 150 are cast iron, with all of them painted blue.