M-Rock Easy Stack 5 in. x 12 in. To 19 in. Clover Dale No Mortar Concrete Ledge Stone Corner 1.6 lin. ft. per box

M-Rock patented ms p-series corner stones are built to finish any outside or inside 90° corners. The interlacing design prevents stone from cracking due to movement, or environmental stress on the stone. Corner stones come in 2 separate stones and interlace together; install with screws, no mortar needed - simply stack and screw to most substrates.