Iver Adaptor Plate Square Adaptor Plate is a device used to connect or interface between two components that are not directly compatible with each other. It typically consists of a flat piece of material with holes or slots drilled into it to match the mounting patterns of the two components being connected. Adaptor plates are commonly used in various industries and applications. Adaptor Plate Function - is mounted by aligning the holes or slots on its surface with the corresponding mounting points on both the lever or knob and the target component. Fasteners such as bolts, screws, or rivets are then used to secure the adaptor plate in place, creating a strong and stable connection. Features: Adaptor plate for retrofitting to a 54mm hole Suits all concealed fix levers and knobs Specifications: Diameter: 60mm Width: 60mm Projection: 2mm Centre to centre: 41.5mm Available Finish: Brushed Brass Brushed Chrome Brushed Gold PVD Chrome Plated Distressed Nickel Matt Black Polished Brass Polished Nickel Satin Nickel Signature Brass Sold as Pair