Features:

• 1U sliding component shelf with built-in 2-sections ball-bearing slide rails.
• 2-posts mounting
• Overall Size 19 x 14-1/4 x 1-3/4 inch, black textured coating.
• Usable WxDxH:
  16-3/8 x 7-1/4 x 1-5/8 inch (with Trackball & Arm-Rest Holder)
  16-3/8 x 9-5/8 x 1-5/8 inch (without Trackball & Arm-Rest Holder)
• Gross weight 7 lbs