ASM wrote:
Does anyone know if there is a company to which I can send my seat
belts and they would reuse the hardware and just put new belts? Any
info would be appreciated.

Allen Silver at Silver Parachute Sales does it:

http://www.silverparachutes.com/

Be aware, though, if your belts are from a type certified glider, you'll
need appropriately certified belts, which pretty much means returning
them to the original manufacturer...

Marc