Four interlocking sections made of pliable PVC plastic instantly convert a discus ring into a hammer ring. Portable and guaranteed not to break. Meets NFHS and NCAA specifications. IAAF certified. Meets new 2011 NCAA rule. ...
Part No: 362
Hammer conversion circle made from white recycled plastic sheet material. Circle consists of 6 segments that is lighter weight and can ship efficiently in a small package. ...
Part No: 3621