Constant Force 1/2 inch coil balance, double spring with pivot lock shoe

Discontinued - Limited to existing inventoryReplace with534420-02Coil Balance Spring, 1/2 inch double coil with pivot lock shoe Used primarily with vinyl windows The number stamped into coil is the weight. Single coil weights vary from #3 to #8 Double coil weights have 2 numbers, one for each spring coil 4/5, 5/5, 5/6, 6/6, 6/7, 7/7, 7/8, 8/8 NOTE: The 5/5 has been discontinued in favor of a single #10 coil. Please order the single coil # 10, not the 5/5.The 4/5 has been discontinued in favor of a single #9 coil.Please order the single coil #9, not the 4/5Single Coil # 534014-01 Choose number from drop down box Balance Block Width: 1-1/4 inch Balance Block Thickness: 9/16 inch Coil Thickness: 1/2 Inch Balance Block Thickness: 9/16 Inch Balance Block Width: 1-1/4 Inch Balance Block Height: 2-1/8 Inch