The New Eleiko Olympic WL Discs are all manufactured in Sweden. The top quality is obvious. Not only due to the sophisticated colours and the high energy absorbing, synthetic rubber compound; but once you have put your fingers around the practical gripping edge, you will have a hard time letting go. Every Eleiko competition disc is also calibrated According to the IWF rules a disc weighing more than 5 kg must be +0,1% and -0,05%. This means that a 25 kg disc can at most weigh 25 grams more than it should. An Eleiko 25 kg competition disc very seldom weighs more than 8 -10 grams more than it should. The Eleiko Olympic Competition Discs are all IWF Approved. 5 years warranty. Priced per disc. SPECIFICATION: Brand Eleiko Usage Home Use, Commercial Use Condition Brand New Warranty 5 years warranty