- Fully sealed construction, weight range: 10 - 14kg
- Oil tempered carbon steel torsion spring and zinc plated variable pitch spiral
- Steel zinc diecast fixing plug and tough ABS polymer outer casing
The Whitco Window Spiral Balance 700 suits timber or aluminium double-hung windows and is supplied with the standard foot attached. It provides smooth, balanced sash movement, with tension adjustable to suit the application, and has shock-absorbing stops. It is recommended that the balance is supported in a 15mm x 15mm rebate.