Mostly of T 61-63 Marine grade aluminum, stainless steel, some PVC and rubber parts.
About 1-4 feet.
The device works best on boats from about 21 to 34 feet and have a gunnel wall height of at least 24”and up to 36”.
It has been tested to hold up to 350 Lbs.
The dock version is very easy and attaches in minutes using 6-8 bolts & washers.
Professional installation is recommended for the Boat Model.
An occasional spray lubrication and bolt tightening if needed, and should be checked periodically.
Yes. Five years on manufacturing defects under normal conditions, and when used as directed.