Lowe’s 12 4 7 Retaining Wall Block Brown

No pins or mortar required, rear lip and interlocking joints secure each stone. Easy to install for experienced do-it-yourself landscapers. Can be used for garden borders, planters, retaining walls, or tree rings with ease. Lip joints can be removed easily with chisel and hammer. Keystone JAWS technology adds a weathered face appearance. Color, dimension, weight and texture may slightly vary due to natural materials used during manufacturing.