5/8 in. Dia Spiral Tube Window Balance with Foot Attached 18 in. L x 19-3/4 in.
Proper sash weights are needed for balances unless a number is stamped on the old ones or color bearing is shown. Brixwell 80-18P-1A 5/8 in. Dia Spiral Tube Window Balance with Foot Attached 18 in. L x 19-3/4 in.