Slot Quantity: 25 Solt, Width: 3mm, Slot Depth: 4.5mm Slot Quantity: 25 Solt Width: 3mm Slot Depth: 4.5mm These PCB trays are tough, wear-resistant, moisture-proof, anti-corrosion, heat insulation, shock, economic and durable, and many other advantages This bar shaped Antistatic Rack is made of anti-static PP material, can accommodate 25 pieces of PCB.