You are going to assemble it to fit your personal I beam width anyways. The first picture, is just to show the proper use of this Trolley. The following pictures are the unit for sale here. The item "CM Lodestar Low Headroom Trolley 1000 Lb 3- 6 width I- Beam 1 Lug Mount" is in sale since Tuesday, April 16, 2019. This item is in the category "eBay Motors\Parts & Accessories\Wholesale Lots\Tools".The seller is "dragar85" and is located in Minneapolis, Minnesota. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica.