This window block and tackle sash balance will offset a window that weighs between 14 and 17 pounds. It is sold without the end guides. The correct guides will need to be purchased separately. All window block and tackle sash balances are best bought in pairs.
Can be used on most single or double hung windows
Heat treated high tension steel spring
Will offset the weight of a window between 14 and 17 pounds
5/8 in. aluminum channel housing
Compare old guide ends and note their dimensions to order the new guide ends
Must select the top and bottom guide ends that are sold separately
Prime-Line part H 3740 riveting tool can be ordered separately for installation of guide ends
For further dimensional information, please see the line drawing