From: Greenhouse Equipment and Accessories : Potting Benches and Equipment
With an open front for sitting at, and the extensions to either side, there's plenty of room for your legs and plenty of space to work at.
Overall Dimensions - 40" (102cm) long, 20" (51cm) deep & 30" (76cm) high.
A large central tray - 23" long by 20" wide and 2" deep (584mm x 508mm x 50mm). Useful 8" (20cm) wide 'wings' fit on either side of the table to create extra work areas.