Arm Only Arm Type Articulating Base Height 11.1 mm Base Size 11.1 mm H Base Type Non-Magnetic Compatible Indicator Mounts 6 mm Fine Adjustment Position Fine Adjust Top (FAT) Holding Power 0 lbf Maximum Reach 282 mm Working Length of Post/Lower Arm 110 mm Working Length of Snug/Third Arm 71 mm Working Length of Upper Arm 101 mm Base Thread Size M8 x 1 Construction Aluminum Includes M6/M8 Adaptor Includes Snug Yes Screw Type Plastic Knob