This keyboard bracket features a 3 arm and mini clevis to give you the flexibility to rotate and tilt your keyboard to any desired position. You can also mount a tablet docking station or cradle using the following hole patterns: AMPS, NEC, 75mm VESA, and Gamber 2x4. Its low profile design means you can save more space and maximize your mobile workplace. Features: -Heavy gauge steel construction for long-term durability in a rugged environment. -Black powdercoat finish for maximum corrosion resistance. -Rotating 3 arm and Mini Clevis provides independent keyboard adjustability. -Designed to be used with any keyboard using the AMPS and NEC hole pattern. -Bracket features the following hole patterns for dock/cradle mounting: AMPS, NEC, 75mm VESA, Gamber-Johnson 2 X 4.09. -Bracket is compatible with any Gamber-Johnson Clam Shell or Clevis. -Provides smaller overall profile compared to other keyboard mounting products.