Our bar in now glass filled nylon, a first and being first means you need to explain things a lot. Simply put, it is better. Thermoplastics are not all the same. No one thinks metals are all the same, copper is not steel. The same is true of thermoplastics it all comes down to specs and Iron Dog specs are tough and durable.
To wrap this up...Does anyone miss their power tools not being made of metal anymore?