There are different weights for choice 2.5kg to 25kg you can choose the weight that suitable for personal strength need. Double handle Ez grip design allows you to use these weight plates as hand weight. 51mm diameter hole will fit 50mm diameter Olympic bars Material: cast iron and coated by rubber. Weight: 2.5kg,5kg,10kg,15kg,20kg,25kg This cast iron filled weight plates are perfect for power lifting, everyday home and gym workout. The rubber coating on the plates protects both the plate and your floor from accidental dropping as well as adding extra grip when handling for safety. Feature: There are different weights for choice 2.5kg to 25kg you can choose the weight that suitable for personal strength need. Double handle Ez grip design allows you to use these weight plates as hand weight. 51mm diameter hole will fit 50mm diameter Olympic bars Specification: Material: cast iron and coated by rubber. Weight: 2.5kg,5kg,10kg,15kg,20kg,25kg. Pacakge Included: 1 set (2 plates) Olympic weight plates