11" including shackle and 8-1/2" without shackle. The wheel is 4" x 1".Wheel rotates freely as it should. One side of the housing is stamped with a 75, the other with a 76, Olson Mfg. Please look closely at photos as they are part of the description and the actual item you will receive. The item "Antique Vintage Cast Iron Olson Mfg. Barn Pulley Hay Trolley" is in sale since Tuesday, March 16, 2021. This item is in the category "Collectibles\Tools, Hardware & Locks\Tools\Pulleys, Block & Tackle". The seller is "102010jeff" and is located in Albert Lea, Minnesota. This item can be shipped to United States.