Amazon Basics Gas Spring Dual Computer Monitor Arm Mount, Adjustable, Holds Monitors up to 27 Inches (68.6 cm), Black

INDEPENDENT TENSION ADJUSTMENT: Each arm supports 2–7 kg with individual adjustment based on monitor weight to maintain balance and prevent drifting ADJUSTABLE GAS SPRING SYSTEM: Pre-set for higher weight; turn the adjustment screw gradually to match your monitor weight for smooth movement and stable positioning VESA COMPATIBILITY WITH INSTALLATION GUIDANCE: Supports 75×75 mm and 100×100 mm VESA patterns; select appropriate screws and spacers based on your monitor's mounting depth for a secure fit COMPLETE MOUNTING KIT: Includes C-clamp and grommet mounting options for desks 1–10.2 cm thick; step-by-step adjustment required for optimal dual monitor performance FULL RANGE OF MOTION: Height adjusts 14.5–46.4 cm, length extends 7.9–50.1 cm, swivel ±180°, tilt +85°/−90° for ergonomic positioning