AWMS-2-D40 is a combination of two monitor arms attached to Atdec's medium post. Use of this 15.7" (400mm) post provides greater flexibility in arm positioning and future upgrades. This Solution includes: 2 x AWM-AD dynamic arm, 2 x AWM-LC channel clamp, 1 x AWM-P40G 15.7" (400mm) post and C Clamp desk fixing.