PCB upper shelf according to size

　　1. External dimensions: 355 * 315 * 580mm, can store 50 PCB boards. PCB board specifications: 350 * (80-250) mm PCB upper shelf

　　Side plate guide groove. The groove depth is 3.5mm, the groove width is 8mm, and the pitch is 10mm

　　2. External dimensions: 355 * 320 * 563mm. Can store 50 PCB boards. PCB board specifications: 350 * (50-250) mm

　　Side plate guide groove. The groove depth is 3.5mm, the groove width is 5mm, and the pitch is 10mm

　　3. External dimensions: 460 * 400 * 563mm. Can store 50 PCB boards. PCB board specifications: 460 * (100-330) mm

　　Side plate guide groove. Groove depth 3.5mm, groove width 5mm, pitch 10mm

　　4. External dimensions: 535 * 460 * 570mm, can store 50 PCB boards. PCB board specifications: 535 * (50-390) mm

　　Side plate guide groove. The groove depth is 3.5mm, the groove width is 5mm, and the pitch is 10mm.