Chain spreader for installation with 1" operator shaft and 1-1/4" door shaft
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
Chain spreader for installation with 1-1/4" operator shaft and 1-1/4" door shaft
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