Touch Screens Inc. touch screen monitors adhere to the VESA mounting standards.
They have four mounting holes on the back of an LCD display that correspond to mounting arms and other mounting systems from a variety of manufacturers.
Most LCD panels 15" size and smaller use a 75 mm standard.
Most LCD panels 17" size and larger use a 100 mm standard.
Deskmount touch screens have a detachable stand with VESA holes behind it.
VESA's Flat Display Mounting Interface (FDMI) Standard defines a set of mounting interface standards for the complete range of flat displays with viewing areas ranging in size from 102 mm (4") to 2286 mm (90") diagonal.