A smaller and more delicate version of the best-selling Signature Midi Knockout Studs, the Signature Small Knockout Studs feature multi-faceted, brilliant-cut gemstones that make an impact for both day and night. Material: DD Signature Brushed 22-Karat Gold or Rhodium Finish Over High-Quality Brass. Custom-Cut & Designed Gemstones (stone colour may vary) Designed in Toronto Gemstone Diameter: 3.5mm