spare part of chair, all type of chair plate {Tilt Plate for revolving Chair, Push Back Plate, Tochan bar Plate, Bar Stool Plate in Square, Bar Stool Plate in Circle} Wippmechanik - seat mechanism - chair mechanism Tilt-B base plate for office chair, height adjustment & tilt function Suitable for all swivel chairs, office chairs, swivel armchairs, executive chairs (eg Topstar, Nowy Styl, Mayer, Easychair, IKEA, etc.) Description: Quality branded product, no Far East Sheet steel, extra stable TILT mechanism for all common office chairs Wiping function with blocking in the zero position Hand wheel for weight adjustment Handle protection Height adjustment for gas spring 2 years manufacturer warranty Technical Other spare parts and accessories, for all common office chairs, executive chairs and swivel chairs (such as base, armrests, mechanisms, castors, etc.