ADJUSTABLE CAST IRON DUMBBELLSPECIFICATIONS & FEATURES:Material: Cast iron+steel;Weight: 2.5~50kg, 2.5kg increments, heavier weights can be customized;Color: Hammertone.WEIGHT TOLERANCE:+/-2%. YOU MIGHT ALSO LIKE COMMERCIAL WEIGHT BENCHAPE FITNESS DUMBBELL RACK - 10 PAIRSAPE FITNESS RUBBER HEX DUMBBELLAPE FITNESS ADJUSTABLE BENCH IAPE FITNESS