D) Portable Desk/Instrument Cart features welded construction to prevent sway or vibration and 4" dia, toe-locking casters to keep cart in place. Standard desk height and center cross-bar allow comfortable seating on either side. Top is made of high-pressure laminate with melamine exterior. Measures 42 1/8"L x 19"W x 32"H. Capacity is 400 lb (181 kg). Shpg wt 37.0 lb (16.8 kg)