Lalizas Telesc&omicron;ping Aluminum Boat Hook Lightweight telescopic boat hooks designed for extra durability and a long lifespan Lalizas boat hooks are made of Nylon and the poles of high quality anodized aluminum Minimum Pole Length: 2.1 feet (26 Inch/67 centimeters), Maximum Pole Length: 3.3 feet (40 Inch/101 centimeters) Pole diameter 1.2 Inches (3 centimeters)