These Wooden Rings weigh in at .4 lbs. each, have an outer diameter of 9.25", and are 28 mm thick. They are constructed from laminated beech wood that is milled and then sanded smooth. Wooden Rings can be used in many ways, such as with our Pegboards for a unique challenge, or they can be hung with Nylon Straps and used with our Lobster Claws! There are plenty of possibilities with this versatile obstacle.