Ring diameter measures 2″ and fits standard Olympic barbells. Each plate features a smooth rubber coating secured by a metal insert, as well as three handles with a grooved texture designed to make gripping the plates easier. The raised lettering indicates each plate’s corresponding weight. Note: Pricing is per piece. Order in increments of two for the pair.   RUBBER COATED OLYMPIC PLATE SPECS WEIGHT 2.5 KG 5 KG 10 KG 15 KG 20 KG 25 KG DIAMETER 6.5″ 8″ 9.7″ 12.5″ 14″ 15.6″ THICKNESS 1″ 1.2″ 1.5″ 1.8″ 2″ 2.2″