The Camalot C4 is the world&&';;s best-selling and most trusted cam, used by climbers for over 35 years as a standard piece of trad protection. The .4-3 set is designed to cover a wide range of crack sizes, making it a core rack-building kit for most climbing scenarios. Key Features: Set includes sizes: 0.4, 0.5, 0.75, 1, 2, and 3 Double-axle design provides one of the widest expansion ranges for each cam C-Loop continuous cable stem delivers strength and durability Lightweight, sculpted lobes optimized for strength-to-weight ratio Color-coded slings for easy size identification while racking This set is commonly used to start or complete a trad rack, offering reliable protection from finger cracks to larger hand-sized placements.