Powder Coat and Roll - Right into the curing oven. Numerous requests have caused us to have this rack custom made to withstand powder curing temperatures. All uncoated metal construction with 4in. steel wheels and heavy 18 gauge 1in. square tube construction supports over 100-lbs. Adjustable extension arms support bumpers and other long parts. Some assembly required. Made in the USA. 90 Day Manufacturer's Warranty.