Two Genuine Humanscale Vesa Bracket Plate 100x100 75x75 50x50 Model with Allen Key Holder Suitable for M2, M8, M-Flex monitor arms. Check the other range of monitor arms in my shop, Humanscale, Ergotron, CBS, Ergo, CDM and other top brands up to 80% off prices compare with the official price list.
eBay