Product Info Catalog Hardware Builders Hardware Door & Window Security 2-1/8 x1-1/2 Inch Reducer Adaptor Plate 2-1/8 x1-1/2 Inch Reducer Adaptor Plate Request a Quote UPC: 78555780357 SKU: 778946 Model Number: 1165 For use with some deadbolts & rim cylinders. 2-1/8 to 1-1/2 inch For use with deadbolts and rim cylinders