Small-sized, ultra-lightweight design of our Aluminum Housing 90 Degree Gearbox. Compact right 90 spiral-bevel gear drives are designed for high efficiency, quiet operation, and long service life. 3 Bolt Hole Mounting. 2-way and 3-way Configurations. Solid Shaft As Standard. Gear Ratios: 1:1 and 2:1. Housings are made of lightweight die-casting aluminum alloy. The shaft material employs case-hardened and ground alloy-steel, custom anti-corrosive stainless steel input and output shafts. Universal mounting type that can be mounted in any direction.