Dayton 25K801 Adjustable Chain Hoist Trolley in Excellent Condition. This will fit an I Beam from 3” to 5-1/8” wide and from 5” to 13” tall. It is rated at 2,000 pounds Capacity. All four rollers roll easily and there are no issues with this item. I can possibly ship this but the buyer will need to contact me beforehand to confirm arrangements.