Brookshire™ Wall combines the rugged look of split stone with the simplicity of a modular pin system. This multiple-size and multi-height system offers contractors unlimited design flexibility to create retaining and freestanding walls with either a random look or a variety of patterns. Features & Benefits: Construct small freestanding walls, parapet walls, seat benches, columns, retaining walls up to 3 ft high* including buried course and outdoor living environments. Taller walls can be built using geosynthetic reinforcement when designed by a qualified engineer. Straight or curved walls. Easy-to-install pin locating system. Multiple length units available in both 3″ and 6″ height for ultimate design flexibility. Random look or multiple pattern options. System Batter and setback: 9.50 /1″ unit.