They have a nice to touch coating of high quality shock resistant rubber. Their ergonomic design includes special handles which facilitate gripping. They also include a tool to facilitate disc removal from the bar and to pick them up from the floor. The inner hole is the 50 mm and is protected by a steel ring which allows a smooth rotation of the disc on to the bar. For easy weight identification the discs show the weight embossed and coloured. Sold in units.
TECHNICAL INFORMATION OF O’LIVE OLYMPIC RUBBER DISCS