The advantage of all steel tire case construction is that they can be re-capped several times. This would obviously reduce the number of used tires in the system. Laws in some jurisdictions prohibit re-caps on the steering tires. The size choices of steel case light truck tires are limited to 19.5s and perhaps 2 16s and 17 inch. Some of the 16 and 16.5 military tires are of all steel case design. What are the disadvantages of steel tire cases and why have they not caught on as a popular alternative to polyester?