Use the enhanced Kontour KRA222 K2C Expansion Arm Kit to add an additional K2C monitor arm to an existing K2C installation. This provides a fast and easy means up upgrading from an existing singlearm K2C120 to a dualarm K2C220 configuration. The KRA222 can also be used to add a 3rd and/or 4th arm to a centeroftable multiworkstation configuration using the KRA226 grommet plate accessory. The KRA222B provides an easy means of expanding a K2C120B singlearm mount to a K2C220S dualarm mount Use the KRA222 to add a 3rd and/or 4th arm to an existing K2C installation as well 4arm configurations require the KRA226 centeroftable grommet plate accessory See K2C120 B and K2C220B for detailed specifications This product ships in approximately 1 days