High Torque Clock Movement (Silent Sweep) with 12" (No6) Long Balanced Spaded Hands motor size: 2-1/8" sq. x 5/8 thick motor's threaded shaft length 7/16" (total 13/16" w/hand stem) x 5/16" in dia. high torque continuous motion motor (silent sweep) black metal hands may be painted any color 3 year factory warranty