New. Never Used. Price is per belay device. Designed for the smaller rope diameters of fast-and-light alpine missions, the 73g Black Diamond ATC-Alpine Guide belay device is an ultralight, compact version of the award-winning ATC-Guide. Dependably and smoothly handles 6.9-9mm rope diameters in all conditions Offers multiple friction modes for belaying and rappelling Durable cable holds its shape and resists getting caught up between ropes Guide mode works with 1 or 2 climbers ascending and descending Autoblock release hole accepts small carabiners Technical Specs Best Use Climbing Assisted Braking Yes Suitable for Belaying Yes Suitable for Rappelling Yes Fits Rope Sizes 6.9-9 millimeters Weight 73 g