5/16 in. Zinc Double Loop, Closed, Wood Screen Door Spring, Prime-Line, Mfr#: SP 9640

This is a closer spring for a wood screen door. It is 5/16 in. in diameter and 16-3/8 in. long. Made from tempered spring wire, with a zinc plated finish and has closed loops at each end. Additionally, there are two anchor hooks to attach it to the door and the jamb. These are generally used for screen door closing 0.050 ga. tempered spring wire Maximum deflection is 25.20 Tempered spring wire with a black finish 16-3/8 in. length Maximum safe load is 13.80 lbs. Outside diameter is 5/16 in. For further dimensional information, please see the line drawing