BSN Sports Elite Starting Block | Track and Field Heat Activated volleyballs or 8

volleyballs or 8

Electroplate-galvanized finish on the basket and poles resists typical wear and tear

2-Ply butyl bladder for superior air retention

5"D rubber playground balls

The standard version of The Rock Basketball can be found here

BSN Sports Elite Starting Block | Track and Field Heat Activated volleyballs or 8Runners can take off ahead of the competition at the beginning of short distance races with this Elite Starting Block. Whether track and field team members are practicing for the 100m or 200m dash, runners will find it easy to propel themselves forward and start off in the lead when taking off from this starting block. When the starting pistol sounds, runners can push off the wide pedals at their preferred angle without worrying about their feet