Tough Heavy Duty D SHAPE Seat with an Easy Clean Hygienic Finish. Features a unique Push Button Release Mechanism to allow it to be removed when cleaning. Quick and simple installation. SEAT COMES PROVIDED WITH TOP FIX BLIND HOLE PAN FIXINGS SUITABLE FOR PANS THAT HAVE NO ACCESS UNDERNEATH IN WHICH TO FIT A STANDARD SEAT This seat also includes standard fittings for use with standard pans. Adjustable Stainless Steel Quick Release Hinges: 94 -186mm centre to centre. Seat Size: 370mm(width) x 446mm(length)