ApexDesk adjustable height monitor arms are constructed for ultimate versatility and support a more ergonomic working posture. Choose either the single-arm or dual-arm option depending upon your setup, and allow yourself to have a full-functioning desktop space. The monitor stands pivots, swivels, and swings to your specific screen preference. The full-motion arm is easy to move the screen to various angles and locations with complete smoothness. Desk Mount Easy set up on the edge of your desk using C-clamp or in grommet eyelet. The C-Clamp included is much deeper for most desk styles and is designed to hold perfectly with beveled desks. This heavy-duty desk stand is made from metal that securely holds the monitor stable in any position. The clamp is deep in diameter which prevents slippage.