The insert-card boards ensure quick and easy appointment planning and guarantee ease of reference at a glance. Who is on duty when? What time is something planned for? Who is the backup for whom? Each board has a time column. The card holders are a fixed part of all boards, each board comes with a stock of 350 large cards (= 50 of each colour), as well as 50 small cards (= white). Construction: the basic unit is a rigid foam carrier plate with laminated insert slots. Set in an aluminum frame with plastic corner connectors.Including assembly material for wall mounting.