Unit shall be Lakeside Model #4422 and shall have stainless steel unitized electronic welding to fasten shelves to frame with a weight capacity of 500-Lb. This cart shall have 3 ea. open shelves measuring 18″ x 27″ constructed of 20-gauge stainless steel. Shelves shall have 11-1/2″ clearance and be reinforced with a hemmed front. All-welded angle legs shall be constructed of 16-gauge stainless steel. Unit shall have a stainless steel vertical push handle fastened to frame with 4 screws. Corner bumpers shall be mounted to front legs. Unit shall have an independent galvanized stainless steel dolly frame fasted to the bottom with 8 screws. Bottom corners shall be rounded. Four each 4″ double race, double-ball bearing swivel casters shall be mounted to the dolly frame. Unit shall be listed as medium duty. Made in the USA.