Weight plate sizes and package content: Set of 40lbs, 50lbs, 60lbs: holes on weight plates fit standard bar with diameter of 1". Dumbbell handle has 1" diameter. Set of 52.5lbs, 105lbs, 200lbs: holes on weight plates fit standard bar with diameter of 1.15". Dumbbell handle has 1.15" diameter. 40lbs (pair) set - TWO Handles, FOUR Collars, FOUR 5lbs Plates, FOUR 3lbs Plates 50lbs (pair) set - TWO Handles, FOUR Collars, FOUR 3lbs Plates, FOUR 7.5lbs Plates (sometimes, we use 8lbs instead of 7.5lbs) 52.5lbs (single) set - ONE Handle, TWO Collars, EIGHT 5lbs Plates, TWO 2.5lbs Plates, TWO 1.25lbs Plates 60lbs (pair) set - TWO Handles, FOUR Collars, FOUR 5lbs Plates, FOUR 8lbs Plates 105lbs (pair) set – TWO Handles, FOUR Collars, SIXTEEN 5lbs Plates, FOUR 2.5lbs Plates, FOUR 1.25lbs Plates 200lbs (pair) set - TWO Handles, FOUR Collars, FOUR 2.5lbs Plates, FOUR 5lbs Plates, SIXTEEN 10lbs Plates Note: 60-day return & full 5-year limited warranty Set of 2 dumbbells - 105lbs total (52.5lbs each side): TWO 16” x 1. 15” handles, SIXTEEN 5lbs plates, FOUR 2.5lbs plates, FOUR 1.25lbs plates, FOUR collars handles, shipped in two packages. Cast iron weight plates fit 1. 15-inch standard bar: Accommodate all standard 1. 15-inch handles. Durable cast iron plates covered with black paint finish preventing rust and corrosion for lifetime use 16-inch diamond knurled chrome handle: Constructed of high-quality, textured chrome handle for secure, firm, and non-slip grip Star-lock collars with loose-resistant rubber trims: Threaded ends with star-lock collars provide a safe, secure workout & easy weight plate changes Easy use & storage: Take seconds to assemble and take out. Compact, convenient, and easy to use. All-for-one dumbbells eliminate the need for multiple dumbbells in your workout space.
