Back Plate Length: 185mm, Back Plate Width: 40mm, Lever Length: 120mm, Projection: 68mm To be used in conjunction with a tubular latch (Sold Seperately) Includes spindle bar and fixings required for installation. Suitable for use on Solid Doors with a 30-45mm thickness 10 year mechanical garuntee - based on 100,000 cycles, Manufacturer: ‎Hiatt Hardware