Tell Manufacturing Spring Hinge with Square Corners, Stainless Steel, 4" x 4" Door Closers Adjustable belt hook for left

Adjustable belt hook for left or right attachment depending on user preference

operating system that is thermostatically controlled

Includes one each of the following chisels: 1/4”

bolt on bracket

Will not shrink or oxidize

Tell Manufacturing Spring Hinge with Square Corners, Stainless Steel, 4" x 4" Door Closers Adjustable belt hook for leftTells Spring Hinges are Grade 1, UL Listed for fire door applications. Our spring hinges include an adjusting spring tension tool with locking pins to hold the springs tension after it is set. Adjustable tension spring hinges allow you to determine how much closing force you can apply to the door.