MORGAN COMPETITION GRADE WOODEN HANDLE GYM RINGS Our wooden gym rings meet all the requirements set by the International Gymnastics Federation; diameter rings have a 180mm inside diameter, with a 28mm diameter grip. Manufactured from strong and springy Birch hardwood, it is extremely durable. The Morgan Hardwood Gymnastic Rings are manufactured from a stack of laminated hardwoods, and then CNC machined to form a perfect circle, then coated in tough resin. Wooden Rings provide superior moisture control and grip. Included straps are 6 metres in length, with ultra-strong cam-locks and indicators to assist you with measuring both rings quickly and accurately. 180mm Inside diameter ring (236mm OD) 28mm grip diameter Manufactured from high-density birch Hand dressed 28mm diameter Comfortable texture Require less chalk than plastic rings Incredibly durable and strong with a tested 300kg max loading weight