Tilt & Lock Mechanism Base Plate for Office Chairs – 150 × 255mm faux leather dining chair so these will not fit

so these will not fit any IKEA chair

self-assembly required

A set of cream faux leather dining chairs (leather-effect PU) with extra-soft padded seats and backrests on contoured black steel cross legs

Fits: Most standard 1" gas lifts

Tilt & Lock Mechanism Base Plate for Office Chairs – 150 × 255mm faux leather dining chair so these will not fitA leaning chair or a stuck recline usually means one thing: a worn mechanism. This hardened steel tilt & lock base plate is the fix push the lever in to lock upright, pull it out to recline. Specifications Function: Tilt & lock lever, tilt tension knob, seat height adjustment lever Material: Hardened steel Bolt spacing: 150mm left to right 255mm front to back Fits: Most standard 1" gas lifts Good to know Please check your bolt spacing before purchasing