Rustresistant materials: Constructed from marine grade aluminum and stainless steel to resist corrosion and rust over time, providing reliable durability in saltwater and harsh environments. Rotatable design: The support rod can be rotated to reach the viewing angle for your fish finder, improving visibility and ease of use. Sturdy aluminum frame: Heavyduty construction ensures secure mounting of your fish finder, even in turbulent conditions. Quickrelease adjustment: Easily adjust the pole length from 36 cm to 59 cm with the quickrelease system for fast, precise positioning during fishing trips. Why you need it: enhances readability, accommodates different boat layouts, and delivers robust performance where exposure to water and movement is a factor. Key specifications: material is marinegrade aluminum and stainless steel; adjustable length 36 cm to 59 cm; rotatable design; designed for secure, quickadjustment mounting of a fish finder. Use scenarios: On a saltwater boat, set the pole height to keep the fish finder display clearly visible while maneuvering. During choppy conditions, rely on the sturdy frame to maintain a steady reading without loosening. While moving between shallow and deeper waters, use the quickrelease to reposition the pole for viewing in seconds.