CART FRAME: Frame consists of two 16 gauge steel tube uprights with seven 11 Ga, 1.6” square weldments across its length. Uprights are spaced 18” apart and supported by a 24 Ga steel cover plate welded to front of uprights. Back side of cart has a plastic 18mm thick shelf supported by 12 Ga steel tube legs to which it is fixed with two 20 Ga steel brackets screwed into bottom of shelf with two M4 x 16mm screws each. Uprights are topped with rounded nylon end-caps. Weldments receive a M5 x 15mm allen screw each. DISPLAY MOUNT: 800 x 600 VESA flat panel mounts are secured to uprights with four 12 gauge steel slide-in tab inserts for the manually height adjustable mount option (27767) or six tabs for the electric adjustable mount (27768) which fit into weldments on uprights. BASE: Base consists of a 10-gauge steel top panel mounted to two 4mm thick steel brackets with four M8 x 16mm screws and with a 14 Ga steel bottom panel welded in between. Base fastens to both uprights and shelf legs with a total of six M8 x 24mm screws each. Welded to the front and back of the base are 10 Ga round steel tube legs with casters and nylon caps at each end. Single wheel stem casters are 3” in diameter. All casters swivel and are able to be locked.