I have an office chair with a weak backrest spring. No matter how much I tighten the backrest nob, it offers too little resistance when I lean back. Is there an easy
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Office Hippo Desk Chair, Ergonomic Heavy Duty Office Chair, Highly Adjustable For Extra Comfort, Tilt Tension Computer Chair For 24 Hour Daily Use, 152Kg User Weight - Black Leather Faced : Amazon.co.uk:
![SpecStandard 849 Office Chair with Adjustable Tilt Tension, Breathable Mesh Back - Black : Amazon.co.uk: Home & Kitchen SpecStandard 849 Office Chair with Adjustable Tilt Tension, Breathable Mesh Back - Black : Amazon.co.uk: Home & Kitchen](https://m.media-amazon.com/images/I/71gSAVvC7dL._AC_UF350,350_QL80_.jpg)
SpecStandard 849 Office Chair with Adjustable Tilt Tension, Breathable Mesh Back - Black : Amazon.co.uk: Home & Kitchen
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