Garage door operator bracket for older Overhead Door residential models (Automate 70 Touch n Go R-80 100 100SS 1000) and commercial garage door openers.
Chain spreader for installation with 1" operator shaft & 1" door shaft.
Includes 2 shaft collars and set screws.
Designed to keep tension on the chain when used with a wall mount commercial operator. It helps avoid premature wear on the door shaft bearing and commercial operator output shaft bearing