VersaTech™ Monitor Arms enable displays to tilt 180°, swing 180° side to side, and rotate 360°, providing stability and durability for displays up to 21". Spring-assisted height adjustment option allows free-floating displays-ideal for sit-to-stand applications. Simple pole height adjustment provides 10 1/2" of range on a 12" pole, making it easy to achieve ergonomically correct positions. Concerto’s patented Quick Connect allows fast, efficient installations while requiring a tool for removal, making displays theft-resistant. Adjustable clamp height accommodates viewers short and tall-12" pole allows a range of 10 1⁄,2". Double Extension models allow 20" of back and forth movement. Arm folds back to post for more desk space. C clamp mount hardware is included. Panel mount capabilities can be developed to match various panel systems. Standard 75-mm VESA-compliant mounting bracket comes with 100-mm bracket adapter kit to mount majority of flat panel displays.