This starting block has 2 options for adjustments, and is the only one to do this! The 4"W pedals slide up and down the rail, plus the pedal angle easily adjusts to fit each runner's size and preference. Its snap-lock plunger will quickly lock the pedals into position, so runners can instantly prepare for take-off. The starting block features all-weather and anchor spikes for additional traction, plus an adjustment wrench. 28"L; 12 lb.