Customizable Solid Back Mens 0.925 Sterling Silver Gold Masonic Past Master Ring Made in the USA by the largest American Masonic ring manufacturer so you always get the purest sterling silver guaranteed. Hallmarked 0.925 & Made in the USA Coated with a hypoallergenic anti-tarnish rhodium plating applied to ensure the highest quality and the longest lasting endurance possible. Prevents allergenic reactions and oxidation Completely customizable by different metal types, purities, and masonic symbol configurations (including different fraternal organizations like Scottish Rite, Shriner, etc ) upon request. 100% Satisfaction Guarantee or your money back in full no questioned asked Top Width: 15mm, Bottom Width: 5mm, Solid Back Design