The DADR-46 Standing Desk Converter Bundle is the perfect way to get your ergonomic workstation started. It comes with a Rocelco R DADRB-46 Sit to Stand Desk Riser and a Rocelco MA2 Premium Pneumatic Dual Monitor Mount. The DADR-46 Height Adjustable Sit to Standing Desk Riser and Converter offers the versatility you need to get through your work day. Now you can sit part of the day or stand to take advantage of all the health benefits that come with standing and moving around. With the DADR-46, you and your associates will become healthier and more productive. It fits over your current desk with no need to buy additional furniture. With its spacious 45.75" W x 23.75" D work surface, you can hold up to 3 large monitors, a laptop, and more. It also includes an retractable keyboard tray that measures 25.75" W x 11.25" D that is an ergonomic 4.5" below the desktop. EVR Enhanced Vertical Range rises up to 20" and down to 5", to optimize the ergonomic work position for people of all heights. Straight up and down motion minimizes required depth (23"). Gas piston assist allows you to easily raise and lower up to 45lbs. Grommet hole allows you to route cables or add an optional single, double or triple monitor arm such as the Rocelco DM1, DM2 or DM3.  It works with your existing desk or create a complete standing desk with the optional Deluxe Floor Stand (DADR-FS). Fully assembled and ready to go! Includes the R MA2 – Double monitor Arm with GPCMA (Gas Piston Counterbalance Motion Assist) allows effortless independent screen adjustment for comfortable viewing. Fits two 13"-27” screens up to 14.3 lbs each. Includes USB and multimedia ports to conveniently connect and charge your devices. Quick installation and adjustment - no tools required. Cable channels provide a hassle-free way to run your cables and maintain a tidy uncluttered workspace. Includes two mounting systems to attach to your desk - clamp and grommet.