The square cover plate features seven locking versions: standard lock, flat latch backplate, bathroom lock, Euro lock, oval lock, 72mm centres Euro lock and 78mm centres bathroom lock. To suit ZAAIPSA Lever (See related products). Dimensions: 178mm x 44mm Cover Plate. Push on Aluminium outer cover (click fast). 10 Year Mechanical Guarantee. Sold & Supplied In Pairs With Spindle & Fixings. Suitable for 35-54mm Doors.