Boat Hook, Telescoping 3.5 ft. to 12 ft., Die Cast Hook Anodized aluminum helps prevent saltwater corrosion. Die Cast Aluminum hook. Smooth and positive telescoping action and easy twist lock at any length with our unique rolled tube edges. Item: Anodized aluminum helps prevent saltwater corrosion. Die Cast Aluminum hook. Smooth and positive telescoping action and easy twist lock at any length with our unique rolled tube edges. Item: 701161 OEM: 55175:02 SB: X02751