Cubic gearbox 1:1 to 5:1 ratio right angle miter gearbox include 1:1, 1.5:1, 2:1, 3:1, 4:1, 5:1, which has 6 models: JTV65 right angle miter gearbox, JTV90 right angle miter gearbox, JTV120 right angle miter gearbox, JTV160 right angle miter gearbox, JTV200 right angle miter gearbox, JTV260 right angle miter gearbox.