Whether you're sending a quick e-mail or performing intensive data entry, comfort is key. KI offers a variety of keyboard combinations to fit everybody's type style with improved comfort, intuitive operation and adaptive use. Each combination is ergonomically designed to help reduce employee injury and fatigue. You can adjust the keyboard to the right height and angle, allowing good knee clearance. All keyboard trays include the following: Ergonomically shaped, low-profile ABS plastic keyboard tray features anti-skid grip strips; Snap-in foam-gel wrist rest is easy to clean and wear resistant; Soft touch knob provides tilt control +/- 15 degrees; 360-degree swivel allows user to move keyboard freely from side to side. The keyboard trays are economically priced yet offer more features than ever before. Built to last, the arms and trays are steel with a durable black textured powdercoat. All mounting hardware and instructions are included, making them easy to install. Keyboard tray styles are rectangular, corner, standard mouse tray and tilt/swivel mouse tray.