Jett Sett is a unique, easy-to-use compound formulated from an advanced thermoplastic and ceramic material. It is a fixturing compound used for stone setting, engraving as well as many other applications. Quick to set, non-toxic, biodegradable, and versatile, it will not stick to, scratch or damage metal parts and can be re-softened and used again and again. It requires no special tools and will not chip or break even under extreme pressure or shock.