Monitor Stands2-in-1 monitor laptop stand NB H100+ FP-2Material: aluminum alloy, cold rolled steel, plastic coverRecommended screen size: 22"-35"Recommended laptop size: 10"-17"Laptop thickness: 5.0mm21mmLoad: 2.0-12.0kgs (Please make sure your screen weight is within this range, otherwise the gas spring arm cannot work!)Tilt: +85 -30Rotation: -180 +180Rotation: 360Wall-mounted: 75*75mm/100*100mm2 ways of mounting: clamping and grommetClamping thickness: 25-80mm, clamping width at least 40mmGrommet hole diameter: 10-50mm, desktop thickness: 20-90mm