DAC MP-107 Stax LCD/TFT Height Adjustable Monitor Riser Economical riser helps reduces neck muscle fatigue and eye strain by adjusting your computer monitor to an ergonomically comfortable height Height adjustable from 1 (2.54 cm) to 4.8 (12.20 cm) Supports monitors weighing up to 30 kg./66 lbs. Rectangle Platform 13 x 10.5" (33 x 27 cm) Made from 30% recycled material