Features: brand new and high quality Fish Finder Display Installation Position: Ball sleeve structure under the base, and the position can be adjusted by loosening the knob. The Fixing Position of the Base of the Bracket: Screw type fixing, stable and not shaking. Probe Installation Position: The knob on the cantilever can be twisted to adjust the direction. Adjustable Azimuth: The joint part of the ball for head and the position with the knob can be rotated and offset. Stable & Anti-vibration: Ball sleeve structure, firmly fixed after tightening, not afraid of hull shaking. Retractable Cantilever: The length is self-determined to adapt to kayaks with different drafts or heights. Specifications: Material: Nylon+Rubber Color: Black Package Weight: approx.640g Longest: approx.48cm/18.9in The Shortest: approx.36.5cm/14.37in Package Includes: 1Pc x Fish Finder Mount note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!