Projection: 1-1/16 Inch: Diameter: 1-1/4 Inch; Base: 7/8 Inch A classic form, the Studio collection is the perfect paring of simplicity and detail. This collection pairs well with all looks from contemporary to traditional. The Polished Copper finish gives this collection an eye-catching twist and updates the look of white and gray interiors. This collection is a "go-to" for most spaces. All essential mounting hardware included for an effortless installation.