FeaturesDesigned to hang heavy objects to lighten loads.Easy operation and maintenance, high work efficiency.Smooth operation, low wear and good bearing capacity.High-strength bearing wheel, solid structure, durable and reliable.Specializing in the manufacture of bearing wheels, which are heat treated and have high reliability.Features:-Designed to hang heavy objects to lighten loads.-Easy operation and maintenance, high work efficiency.-Smooth operation, low wear and good bearing capacity.-High-strength bearing wheel, solid structure, durable and reliable.-Specializing in the manufacture of bearing wheels, which are heat treated and have high reliability.Specification:Condition: brand newDiameter: 28mm 1.1in, 32mm 1.3in, 48mm 1.9in, 56mm 2.2in (Optional)Service guarantee brand new product, all refund if unsatisfied If you have any questions, please contact our professional customer service team.Package List