Panavise 4-Inch Small Foot Slimline Pedestal Mount for Mobile Electronics Small Foot measures 1.625-Inch x 2-Inch (41.3mm x 50.8mm) The small foot (1.625-Inch x 2) is recommended for under-the-dash installations or wherever space is at a premium. Knob and set-screw adjusting option included. 210 degree Tilt, 360 Turn and 360 Rotation at both ends Aluminum, zinc and steel construction Rectangular AMPS pattern: 30mm x 38mm (1.181-Inch x 1.496-Inch) on center