The Optimism Collection portrays the epitome of futuristic fashion. It embraces todays definition of modern while celebrating a passion for retro style. At home in the most upscale of dwellings, Optimism is synonymous with innovation. The mixed media design features clear polycarbonate combined with polished chrome finishes. ; Designed For Use with Drawer Fronts and Cabinets; 1-Inch and 1 1/2-Inch Screws Included, Diameter is 8/32-Inches; Round Design: Made of Lucite; Polished Chrome Finish