IZS1029 Features: * Climbing rocks * Smaller version of our popular extra large climbing rocks * Patented design allows rocks to be gripped from 360 Degrees and mounted in unlimited configurations * For use on 0.75" Thick lumber * Not for use on play star rock wall * Comparable in size to competitive rocks * Proudly made in the U.S.A Includes: * Includes 4 Standard sized uniquely shaped climbing rocks and mounting hardware Warranty: * Full 10 Year warranty