The RW8 gearbox with NEMA-23 input flange features 1:1 to 120:1 ratios, and torques to 40 lb-in, and input speeds to 5,000 rpm. The gearbox is made from a CNC machined aluminum block housing, dual ball bearings for shaft support, stainless hardened single-piece worm/input shaft, and stainless output shaft. The unit is designed for 24-hr/day operation.Rino Mechanical Components Inc., 216 North Main St., Freeport, NY 11520, (888) 260-7466, www.rinomechanical.com/gearbox_miniature.htm