Lakeside Manufacturing 526 Guard Rail Utility Cart, Stainless Steel, 3 Shelves, 500 lb. Capacity - see actual cart pics posted
MADE IN USA!!
Has upgraded 6-inch custom loadmaster polyurethane caster wheels. (Cost was $100.00 / set of 4)
R&K website: For longer service, heavier loads, easier roll and non-marking performance, R&K Loadmasters use polyurethane tread permanently molded to the aluminum core. Resistant to oil, water, grease and most chemicals, the Loadmasters cut the cost of replacing wheels.
Amazon price for cart (w/o upgraded wheels): $938.36 (+ tax) ... see weblink below for all cart details