Athletic Specialties Kick-Away Safety Base Set The solid rubber base stake allows this base to disengage it's anchor system upon a hard slide. Meets Little League Baseball rule 1.06 regarding "bases that disengage their anchor". Base is 15" x 15" with sloped sidewall that measures 1 1/2" thick to help prevent injuries. Set includes 3 bases, 3 solid rubber base stakes, and 3 female rubber ground anchors.