16 mm OD (5/8") X 9 mm (11/32")

Here is a Atlas 37081 N Allied Chemical Union Texas Petroleum Tank Car #933016

Model Number: 55-100

With a 263

Model Number: 20003529

Athearn 65010 HO Southern Ready to Run SD45 Diesel Locomotive #3118 ProductID_11506296 16 mm OD (5/8") XThis is a Athearn 65010 HO Scale Southern Railway #3118 SD45 Diesel Locomotive. It features plastic construction, metal wheels, a motor & Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Athearn Model Number: 65010 Road Name: **** No Road Name MSRP: $134. 98 Scale Era: HO Scale Model Type: Diesel Loco The Trainz SKU for this item is P12160952. Trainz Product Id: 12160952