Humanscale Dual M8.1 Monitor Arm with 2 VESA plates for 25mm Table

Humanscale M8.1 Dual Monitor Arm with 2 VESA plates. Specifically, a 4mm hex key is used for tightening crossbar link screws, and a 5mm hex key is used for tightening clamp screws. For tightening the bolt-through bolt into the M8 base, an 8mm hex key is used.

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