The BESSEY KRE-VO adjustable fixed jaw is useful for creating custom multiple work piece setups as well as a replacement for damaged fixed jaws. The KR-VO can be added to any K BODY REVO & Vario REVO to create multiple glue ups or make a custom clamp. It can also be use with an extra KR-J2K sliding jaws to create unique jigs. BESSEY. Simply better.