Product Code :MY403 Manufacturer Code : 403. Avery Plastic Risers Connectors Set Of 4 403.Gain extra height between each of your Avery Stacking Trays with these black moulded plastic risers. Extra space creates more room for important documents or other paperwork in your home or office leading to a more efficient working day. This pack of four connectors made from eco-friendly plastic fits to your trays in a matter of moments to increase capacity by 75mm. Keep everything neat and tidy with additional space for your filing and avoid over spilling paper trays.