<p>Unique and stable clamp grasps post at approximately 74" above the floor to eliminate interference with required post padding. Widened platform and taller side rails increase official&rsquo;s comfort and safety. Floor friendly wheels allow easy transport to and from storage. When in use, sits on non-slip rubber floor pads. Heavy-duty 1"diameter tubular construction is covered with 1" thick matching gray vinyl covered foam padding to meet all NCAA, National High School Federation and USVBA rules. Made in the USA.</p>