Edblad Prime Shiny Ring Shiny Silver Chess Board Dimensions Basics and Guidelines Chess.com. The Prime line combines minimalist style, trendy thin metal, and a wide rounded shape. The Prime Ring has a wide design that sits comfortably on your finger, making a bold statement with its elegant presence. Seen here in shiny stainless steel, the Prime Ring is perfect for pairing with other pieces from the Prime collection. This ring is a bit wider and can feel smaller in size. We therefore recommend considering a larger size. Width 16 mm, heigth 1 3 mm Shiny steel Nickel safe S = 16. 8 mm M = 17. 5 mm L = 18. 5 mm