The ubiquitous Tri-Cam from C.A.M.P. USA offers true versatility and performance. This comprehensive set is a must for any climbers rack. With a width coverage from 16 - 41mm, this set of four can handle many climbers needs size ranges overlap for extra convenience. Made from hardened anodized aluminum for lasting service and reliability sizes are color-coded for easier identification in your rack. Lightweight Dyneema slings offer superb strength to weight and have excellent UV-resistance for low-bulk strength that lasts season after season. When used in passive mode as a chock, Tri-Cam can fit a wide variety of crack types, from flaring to uneven. Camming mode results in a tripod configuration that works well in parallel cracks, slight flares and horizontals. As with all climbing protection, placement and usage practice with guided instruction recommended before use on route.