Upholstery Tension Springs are manufactured with a plastic covering .The cloth covered Tension Springs made for Parker Knoll are no longer available.
If the cover splits through wear or over stretching the bare wire can damage the cushion covers.
Our Tension springs are plastic covered and 1/2" diameter, They stretch between 1/2" and 1" when fitted.
The size (length) of the tension spring refers to the overall size including the hooks.
10% discount is applied if you buy 5 or more Tension Springs of the same size.
The discounted price shows up in the checkout.
Modern metal 'Side Plates' are available for fitting Tension springs, and can easily be used to replace the now unavailable 'Parker Knoll Side Webs'.