The Best Weight to Ruck Ruck PlatesA(R) are compact and fit seamlessly in the RuckerA(R) and Ruck Plate Carrier(TM) for superior stability. Made in the USA to exacting standards of quality and craftsmanship, GORUCK Ruck PlatesA(R) represent the very best of American manufacturing. Ruck PlatesA(R) are sold individually. Features Break strength of approximately 90,000 lbs Powder coated matte black (rust resistant) Ergonomic, rounded edges and handle openings Super-wide grab and go handles Workout without a ruck Perfectly compatible with RuckerA(R) and Ruck Plate Carrier(TM) GORUCK Ruck PlatesA(R) are patented. For more information, visit www.goruck.eu/patents. Specs + Materials Primary Material: Powder Coated Ductile Iron Ore 20LB (Standard) Dimensions: 9" x 11.5" x .84" 30LB (Standard) Dimensions: 9" x 11.5" x 1.38"