> Why carbide? That is seen more often on high-speed cutting tools, and not
> a usual material chosen for cutting cloth. (or pizza, for that matter)

> PGJ There is a commerical fishing skiff builder (HD stitch and glue) up here that has used both regular steel fabric rolling knives and a carbide one. The carbide one cut better from day one and has held a good edge for years of daily use, but the company he got it from is no longer in business.