ltem description from the seller
Material: Primary - Purity:950 Feature:Martini Glass Shape Material: Primary:Platinum Product Type:Finding Sold By Unit:Each Head Type:Round (3 Prong) Material: Primary - Color:White Finding Type:Setting Feature 2:Solid Diameter Outside:0.04 Diameter Outside U/M:in Blank Setting CT Size:0.62 Blank Setting MM Size:5.5 Setting Feature:Round Shaped Setting Type:Prong Post Type:Friction