Our line DYNABOX offers : Space saving (right angle) Coupling saving : by using our hollow shaft version) 10 sizes Ratios 5/7/10/15/20/30/45/60/90 Input speeds up to 6000 rpm torques up to 8000 Nm 3 ranges of backlash : 1,5,10 arcminutes Supplied ready for connection with all the existing servomotors An unbeatable ratio price/quality !!