These units are electronic height adjustable tables/workstations with work surfaces that can be stopped anywhere from 26" to 42". The units are capable of lifting up to 350 lbs. and have a quiet and smooth operation. The LT-3048 is 30" deep by 48" wide while the LT-3060 is 30" deep by 60" wide. The metal frame is a black epoxy powder coated metal and the work surface is a durable laminate finish is a wide range of colors.