Portescap's new R08 planetary gearhead delivers continuous torque of 0.05Nm within an overall envelope of 8mm. Design features provide increase gearhead life and durability, making it capable of delivering high radial laod carrying capacity (up to 10N). The standard gearbox is available from 4 to 256 ratios, which can be further extended to higher ratios of 4,096. The R08 can be coupled to brush dc, brushless and stepper motors in their respective frame sizes. It can also be customised to meet specific application requirements.