Carson offers two lines of right angle planetary gearheads, the Right Angle Eliminator (RE) and the Right Angle Precision (RP). The Right Angle Eliminator line is offered in sizes 17, 23 & 34. The Right Angle Precision line is offered in sizes 17, 23, 34, 42 & 56. Standard ratios from 3:1 to 100:1. Capable of producing ratios up to 10,000:1.