Accepts only Plasticade I-Beam boards. Unique board creates a rigid barricade system and protects the sheeting. Molded hollow; may ballast internally with dry sand. Use with one board or two. Flashing light mounting receptacle on each leg. Stacking lugs make transportation and storage easy. Boards weigh one pound per foot and are available in three lengths: 6’, 8’, or 10’ x 8” H x 1” D. A-Frame Barricades are sold as sets or component parts.