Heavy Duty window balance stamped 57 110. Balance Length: 57". Balance Weight: 110 lbs. Channel Width: 1-1/4". Channel Depth: 1-3/15". 58 Series non-tilt window balance. These balances are designed for heavy duty commercial windows. 58 Series balances have four internal springs compared to our 57 series which has a narrower channel width and uses two internal springs.
Top and bottom guides shown below will automatically be attached to your balance.
***Special order, non-returnable. Allow around 2 to 3 weeks to ship.