Whitco 7.25 - 10kg 540 Window Spiral Balance without Foot Attached

The Whitco Window Spiral Balance 540 suits timber or aluminium double-hung windows in the 7.25-10kg sash weight range and is supplied without the foot attached. Its fully sealed construction pairs an oil-tempered carbon steel torsion spring with a zinc-plated variable-pitch spiral for smooth, balanced sash movement, with tension adjustable to suit the application. Features: - Suits 7.25-10kg sash weight, timber or aluminium double-hung windows. - Fully sealed construction with oil-tempered carbon steel torsion spring. - Zinc-plated variable-pitch spiral with zinc diecast fixing plug. - Tough ABS polymer outer casing. - Adjustable spring tension with shock-absorbing stops. - Supplied without foot - order the matching foot separately.