The CORETX 90kg Olympic Bumper (V2) Set is engineered to IWF standards to ensure maximum quality and reliability. Enhance your strength training with the SPARTAN205 Olympic barbell, including Lockjaw Collars, and and 5kg (Pair), 10kg (Pair), 20kg (Pair) Black Series Bumper Plates. Our Bumper Plates (V2) are engineered to the highest quality with a scratch-resistant rubber surface, grooved edges and a steel core for seamless loading. Our CORTEX Olympic Bumper Plates (V2) are designed for Olympic Lifting, Cross fit, and general gym use. New and improved, they are designed to IWF standards of 450mm and are a lot more dense, come thinner than other comparable bumper plates, meaning you can fit more weight onto the bar. Structure: Bumper Plates are encased with in heavy duty rubber and come with inner steel rings. The edges are slightly grooved for better handling. Built to IWF Specifications of 450mm in diameter. Features: Designed for Gym, Commercial use or Home use SET INCLUDES 2x CORTEX 5KG BLACK SERIES V2 BUMPER PLATE 2x CORTEX 10KG BLACK SERIES V2 BUMPER PLATE 2x CORTEX 20KG BLACK SERIES V2 BUMPER PLATE 1x CORTEX SPARTAN205 7FT 20KG OLYMPIC BARBELL (HARD CHROME) WITH LOCKJAW COLLARS Package Total Weight: 90kg