『エルゴトロン』は高い

SHOPPINGALL [Half-Assembly Time] Monitor Arm for Canada's Loved Beginners Monitor Arm Laptop Arm 2 Screen Display Arm Dual Gas Spring Compatible with 32 Inch Load Capacity 17.6 lbs (8 kg) x 2, Grommet Type & Clamp Type, VESA Compatible, Japanese Instruction Manual and Video Included (English Language Not Guaranteed)

Ergotron LX Desk Mount

安いけど微妙

Iris Ohyama DA-1040 Monitor Arm, PC Monitor Arm, Display Arm, LCD Display, Load Capacity 17.6 lbs (8.0 kg), Black, Width 4.6 x Depth 6.5 x Height 23.6 inches (11.7 x 16.5 x 59.8 cm)