Type: single Diameter: 9.4mm Dry Treatment: UIAA Dry, XEROS technology Static Elongation: 7.2% Dynamic Elongation: 33.1% Ion R 9.4 mm offers easy handling and durability in a lightweight, mid-range size. With a firm, tactile feel that is easy to clip, the smooth sheath reduces rope drag and feeds well through gear. The unique sheath construction is durable and compatible with a multitude of gear.