APG 484A Series 4000 SerialPRO II Stainless Steel Black Ultimate Heavy Duty Cash Drawer JD484A-BL1816-C. Exceeding customer and industry expectations, the Series 4000 is the ultimate heavy duty cash drawer. Industrial-grade steel ball bearing slides ensure effortless performance and durability. A robust latch mechanism and a proven four-function lock assembly offer several levels of security. Along with flexible storage space, and various sizing, color and customized options, these features make the Series 4000 another reason for APG’s reputation as the preferred choice.