Our Polaris Cabinet Knob with Star Back Plate draws inspiration from the mid-century era. Every detail is showcased in a solid-brass frame thanks to investment casting—a method that the world's finest jewelers use to create their most elaborate pieces. Handmade by skilled artisans, every piece is rich in design, giving each its own unique personality. Choose from an array of luxurious finishes. This item comes in two parts, knob and backplate.Dimensions: 11/16" D. Projection: 1 1/4" (w/ backplate), 1" (knob only). Base: 1 15/16" D(backplate base), 7/16" D(knob base only). Screw/bolt size: #8-32 x 1".