SDS Job Site Safety Documents Center. Safety information centers provide a centralized location for important safety information and makes the information accessible to employees. This SDS/Job Site Center holds one 3-ring binder in a very rugged weather resistant, lockable polystyrene case. Center size is 13-1/2 inch H x 13-1/2 inch W x 4-3/4 inch D and it may be wall mounted or used on a table top. Safety documents are not included. Helps prevent costly mistakes by providing potentially life-saving information to employees.