Aluminum monitor arm for comfortable dual monitor setup. - Type: Dual monitor arm - Material: Aluminum - Adjustment: Height adjustable - Mounting: Clamp-on - Accessories: Complete set of mounting screws - Compatibility: VESA 75mm/100mm - Colors: Silver/Black Thank you for viewing. Although the parts are separated, there should be no problem with the basic assembly. Please consider the third arm in the last photo as a bonus, as the resin sleeve is missing.