WRS Constant Force Balance Single Coil 1/2 Wide - 4 lbs

This is a stainless steel spring for tilt windows. It moderates the operation of your window sash using a specifically calibrated coil spring that allows the window to stay open when raised and remain shut when closed. Individually this coil balance can hold 4 pounds. This is added together with the other coils to support the whole weight of the sash. Interchangeably these coils can work for either the left or right side of the window. Includes Coil Only. Housing and Hardware not included.