The dumbbell material : outside is rubber,inside is cast iron . the weigth is enough .5kg is 5kg ,10kg is 10kg .we also can make client's logo on the cover .:-)
We are factory , the weight of each dumbbell is enough , and price is competitive . we also have RHSO test report .
1 Our rubber coated dumbbell has two kinds for you to choose. 2 They are starting from 2.5KG-50kg in 2.5KG increments. 3 Inside is iron cast,coated is rubber. 4 Make your own logo.
The warranty period for the whole machine is usually one year .We will provide spare parts for free within the period .
Thanks for your kindly attention ! Please feel free to contact me if you have any interests. Looking forward to cooperating with you in the near future! Welcome to visit our factory at all times!