JT Classic Miter Gearbox, also known as spiral bevel gear transmission box, standardized, multi-variety, speed ratio of 1:1, 1.5:1, 2:1, 2.5:1, 3:1, 4:1, 5:1 are the actual transmission ratio. The average efficiency is 94%. There are single axis, double horizontal axis, single vertical axis, double vertical axis optional. Axis configuration form: single input single output, single input dual output, single input three output, double input single output.