Lock boards contribute to a successful lockout program by organizing devices in one location and providing storage at the point of need. Holds up to 24 locks, plus lockout hasps and tags. Board measures 23-1/2 in. H x 11-1/2 in. W. Padlocks sold separately. Boards are made of 3/16" thick bright yellow acrylic with acrylic lock rails and clear polycarbonate tag pockets that accommodate tags up to 3" wide.