985 Series Single 3/4Inch Constant Force Coil Balance, Weight 3.5 - 13.5 Inactive The split arm design helps

The split arm design helps ensure proper window movement and secure closure

note that right hand cranks are gold

Encore Series

Often referred to as a "babysitter lock

5 pin Rekeyable Standard

985 Series Single 3/4Inch Constant Force Coil Balance, Weight 3.5 - 13.5 Inactive The split arm design helpsPre Assembled 985 Series Centurion constant force balance assembly with 3 4 inch thick coil spring. The 985 series universal single coil balance with metal spring clip side locking brake fits single hung or double hung vinyl windows with standard 1 1 4 inch wide and 3 4 inch deep pocket. The Centurion 3 4Inch Constant Force balance uses interlocking coil spring balance in Singles, Doubles, Triples and Quads Application: Balance system for vinyl window