Circles are fully legal (3/4” high x 1/4” thick). Fit sections together, then cement around or simply bolt to existing concrete. Javelin stop board is fully legal (26’3” radius, 13’ 11⁄2” from end to end and 23⁄4” wide). If you don’t have a hammer circle, create one in seconds by placing a Conversion Ring inside your existing discus ring.
Product Title: Everything Track & Field and Field Javelin Stop Board
Manufacturer: Everything Track & Field
Parent Retsku: B006JHSZWI