Bessey KBX20 Accessory K-Body Revo Clamps Extender is designed to connect any two BESSEY K-Body Revo Clamps (KR and KRV Series) for extended reach.FEATURES Connects two K-Body Revo clamps for extended reach KBX20 Extender suitable for the K-Body REVO (KR and KRV) Durable aluminum construction for rigid accurate linkage BESSEY KBX20 - K-Body Revo Clamps Extender