Dumbbells 2 x 10 kg Profit Hammertone in a case DK 4135 Set of a cast iron dumbbells 2x10 kg Profit in a case recommended is for people exercising strength. In there 12 cast iron plates of different weight, screw clamps and 2 grips made of hardened steel. Data technical:· 4 x load 2.5 kg· 4 x load 1.25 kg· 4 x load 0 weight .5 kg· 2 x grip short long 36 cm with set screw clamp