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

Discontinued - Limited to existing inventory - Replace with 534420-03Coil Balance Spring, 1/2 inch triple coil with pivot lock shoe  Used primarily with vinyl windows The number stamped into coil is the weight.  Single coil weights vary from #5 to #8 Triple coil weights have 3 numbers, one for each spring coil 5/6/6, 6/6/6, 7/6/6, 7/7/7, 8/6/6, 8/7/7, 8/7/8, 8/8/8 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