1.(STT003D-B) Design: This computer monitor lift comes with a large 1 4.6 x 9.3 inch durable metal stand that can hold most flat panel monitors, laptops and printers up to 44 lbs. Non-skid pads on the bottom of the stand legs keep the stand stable and prevent damage to your work surface. 2.(STT007) Design: The large 1 4.6 x 9.3 inch durable metal stand can hold most flat panel monitors, laptops and printers up to 44 lbs. Non-skid pads on the bottom of the stand legs keep the stand stable and prevent damage to your work surface. 3.(STT003D-B) Ergonomic: This computer lift is suitable for laptops, monitors, notebooks or any device, which can be raised 4", 4.8" or 5.6" from the desk to create a comfortable viewing position and a more comfortable sitting posture, which can help reduce neck and back stress. 4.(STT007) Storage Space: Removable drawers can store small items out of sight, creating a more efficient and neater work environment. Side storage pockets are perfect for organizing office supplies and accessories.