The MAMH-1 features a 3-piece hexagonal support rod, top safety hook rod for holding one or two motors and the MABC-1 for attaching to any bench top up to 2-1/4" thick. The rod height can be adjusted with the locking screw built onto the clamp. Comes with a MAMR-2 Handpiece Rest that slides onto the hanger pole and secures your handpieces when not in use. Also has two UA10658 Spring Safety Clips that slide over the motor bale and on to the hanger rod to keep the motor(s) from jumping and twisting during start up and acceleration.