description complete mobile step-up work stand, 14 gauge 500 lbs capacity the nu-wave step-ups are made with two 14 ga steel platforms and come with four 5 in. all brake casters. they fold to 4 in. flat for easy storage and convenient transport. the nu-wave 4 ft. step-up work stand can serve as a mini-scaffold, workbench or material cart. the su-4 is easy to set up and folds to 4 ft. flat with a patented center fold hinge. california proposition 65 warning. features two 14 ga steel platforms four 5 in. all brake casters 500 lbs load capacity folds to 4 in. flat for easy portability specifications acme tools brand name nu-wave mfg acme tools part number su-4 assembled weight (lbs) 71 california proposition 65 warning required yes collapsible yes color/finish multi country of origin china globaltradeitemnumber (gtin) 00419004000396 load weight capacity (lbs) 500 maximum load (lbs) 500 number of wheels 4 package contents work stand, (4) brake casters, (2) steel platforms package depth 22 package height 51.5 package weight 6 scaffolding type kits upc 419004000396