Like all the products in our SD series, the SD-4141 cash drawer is made of strong materials. Its robust steel casing and shatterproof PVC tray with sturdy metal hold-downs are designed to meet the needs of medium-traffic venues such as school and office cafeterias and clubhouse canteens. The SD-4141 has sturdy ball-bearing rollers and a robust latch mechanism guaranteed to provide at least 1 million trouble-free open/close cycles.