IR-IH-1 & 2 Spindle Kit Set if 2 Each 5/16 Inch Square Spindles for Ir-IH-1 or IR-IH-2 Fits storm doors that require a 5/16 (.31) Inch Square Spindle Set if 2 Each .31 Inch Square Spindles for Ir-IH-1 or IR-IH-2 1 at 2-3/4 Inch Long and 1 at 3-5/16 Inch Long