ET-A Model Trolleys Model Code Price For: Each Type: Plain Load Capacity (Lb.): 1000.000 Load Capacity (Ton): 1/2 Flange Width (mm): 2.0-8.7 Wheel Diameter (Inch): 2-1/4 Wheel Diameter (Decimal Inch): 2.36 I-Beam Height Range: 4-24 Additional Information: 2.0-8.7 Minimum Radius: 27.000