Victorian Acrylic Knob with metal chrome base. Recently used on a customer project as seen in the additional images. The last set of images are from Green with Decor, a decor blog that used these knobs as part of the One Room Challenge contest recently. Diameter: 1 3/16 inch (30.16 mm) Projection: 1 1/2 inch tall (38.1 mm) : 1/4 inch diamter L-P30101-CHC-C Comes with 1 inch screw suitable for 3/4' drawer or door face. If needed order 8-32 screw by Material Thickness + backplate thickness (standard 1/8 inch) + 1/4 inch for knob. Liberty Hardware product for lasting beauty.