EXTEND YOUR MONITOR MOUNT: The DM35 spare arm set consists of two arm attachments that will extend the existing arm on your monitor desk mount and allow more flexibility. It has a single loop underneath on each arm for additional cable management.CUSTOMISE YOUR WORKSTATION: Do you already have a desk mount that you wish had a longer reach? Or are contemplating purchasing one of our Duronic monitor desk mounts but cannot find one with long enough arms to suit your requirements? The DM35 spare arm set is an add-on that will solve these issues so that you can extend your set-up to be exactly as you like it.COMPATIBLE WITH DURONIC DESK MOUNTS: This arm set can be used on our DM35 range only. They will fit onto DM351X1 / DM351X2 / DM351X3 / DM351X3SR / DM352 / DM352SR / DM353 / DM354 / DM35V2X1 / DM35V2X2 / DM35W1X2 / DM35W1X3 / DM35L1X1.SOLID CONSTRUCTION, BUILT TO LAST: The DM35 arm joint can swivel 180° left to right. When attached to a DM35 desk mount each joint can move 180° independently from the others.FEATURES AND SPECIFICATIONS: Colour: Black. Made of die-cast Aluminium. Size of each arm: 4cm x 18cm.