- Throw rings available in aluminum angle or web-reinforced styles
- All rings include 3/4" recessed concrete finishing screed line
- Conversion rings available to downsize discus circle for shot put/hammer
- Designed to meet / exceed IAAF, NCAA, and NFHS rules and regulations
All Sportsfield Specialties' throw rings are manufactured from two half circle sections of 2” x 2” aluminum angle ensuring that the majority of the ring is installed below the concrete. Competitor’s smaller angle and surface mount throw rings have significantly less attachment surface area and strength.