Black Diamond Klettern Cams Stoppers Nuts Hexes Camalot™ C3 Österreich. From aid seams to tip cracks, the five sizes of Black Diamond Camalot C3s have you covered. With up to 30% less head width than any other micro cam, they fit in more places, more securely. Unique thin-profile stems are laterally stiff for slotting in tight placements, but flexible over edges for an evenly dispersed load. Heads are 30% narrower yet C3s are more secure, dependable und fit in more placements than other camming units Compression-spring driven with interlocking cam heads for bite in uneven cracks Flexible stem is laterally stiff for tight placements Color-coded for easy identification und wide range of sizes Neutrino Rackpack available for easy racking (see Carabiner section) *Size 000 is for direct aid only