Slot Quantity: 25 Solt Width: 3mm Slot Depth: 7mm Overall Size: 475 x 175 x 50mm / 18.7" x 6.9" x 2.0" (L*W*H) hese PCB trays are tough, wear-resistant, moisture-proof, anti-corrosion, heat insulation, shock, economic and durable, and many other advantages. For factory PCB storage in overturn. Non detachable. Also for PCB board in the production process of loading, storage.