FLEXIMOUNTS 4x6 Heavy Duty Overhead Garage Adjustable Ceiling Storage Rack, 72" Length x 48" Width x 40" Height (Black).The height can be adjusted from 22?? ?C 40??. Heavy cold-rolled 14 gauge steel construction provides safety loading up to 450lbs. High quality screws provided. All hardwares have gone through strict tests.Enjoy free shipping and 60-day return policy.