This window block and tackle sash balance will offset a window that weighs between 5 and 8 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 5 and 8 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















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