Combination design - Designed for kayak and SUP anglers needing an easy way to install the fishfinder screen and radar at the same time. The 1.5” ball design gives you a much greater clamping force for larger accessories while still having a smooth full range of motion. Has a few options of screw hole patterns to fit various fish finders (Complimentary 4 sets of M5*20 marine grade 316L stainless steel machine screws, self-tapping screws and lock nuts). Meet Your Fishing Needs - The transducer arm extends from 11.42” to 17.91”, while the transducer slip discs feature 360° ratcheting adjustment. Slide along the track to change holder positions quickly. And the ball and socket technology allows for 360 degree adjustability. The transducer arm stows away quickly for travel. Incredibly durable design - Made of High-performance composite materials for durability and reliability in the most demanding marine environments. Complete flat surface and drill-down mounting solution make it possible to maintain the structure of the mount out on harsh waters. Compatible with Garmin: Striker 4, Striker Plus 4, Striker Vivid 4cv, Striker Plus 4cv, ECHOMAP Plus 43cv, ECHOMAP Plus 44cv, other Fishfinders and GPS Chartplotters. Compatible with Lowrance: Elite 3x, Elite 4, Elite 4x, Elite 5, Elite 5x, Hook Reveal 5, Hook 2, Hook 4, Hook 5, other Fishfinders and GPS Chartplotters. Compatible with Humminbird: Helix 5, Piranha Max 4Di, other Fishfinders and GPS Chartplotters.. 5-star customer support - If you are not satisfied with the product, please contact us here, we will provide you with the best after-sales service. Combination design: Installing fish finder screen and radar at the same time. The 1.5” ball design gives you a much greater clamping force for larger accessories while still having a smooth full range of motion. Incredibly durable design: Made of Glass-reinforced nylon (nylon 66+GF30) material for durability and reliability in the most demanding marine environments. Complete flat surface and drill-down mounting solution make it possible to maintain the structure of the mount out on harsh waters.