This Blodgett 19780 is a 1-1/4" wide door helper spring designed for use in Blodgett ovens.It features 33 coils and assists with the smooth and effortless opening and closing of the oven door. This spring helps to counterbalance the weight of the oven door, reducing physical strain on the operator and improving overall ease of use. https://partsfe.com/spring-for-blodgett-part-19780