aqua bound sting ray 4 piece kayak paddle - carbon blade with carbon shaft & posi-lok ferrule, 250cm aqua bound the aqua-bound sting ray carbon is built for low-angle paddlers, wide boats, and paddlers looking for maximum efficiency for the long haul. with its all-carbon shaft and large, abxii carbon-reinforced blades, the sting ray carbon has a low swing weight and provides both comfort and efficiency. the sting ray carbon offers the posi-lok ferrule system which clicks into position firmly and securely. the posi-lok features strong, corrosion-free composite construction, convenient dual-button release, and infinite feathering angles. licensed ferrule us patent no. 6,881,111. this paddle breaks down conviently and quickly into 4 parts for compact travel and packing. the two blades are secured to the shaft ends with a snap button fitting. the sting ray carbon is available in lengths from 210cm to 250cm in increments of 10cm. aqua-bound paddles are always assembled with pride in the usa!