Name: Ball Mount with Fish Finder and Universal Board Kayak Accessories This drill-in hexagonal square marine ball fish finder mount is made of premium reinforced nylon material, providing excellent durability and reliability for marine environments. The free- design provides smooth full-range motion, quick release, and easy installation for your track system. The larger ball design provides greater clamping force for larger accessories. A complete flat drill-in mounting solution designed to accommodate large fish finders. Mounting ball and socket technology allows for nearly infinite adjustability. Size: 10.2x10.2x17cm/4x4x6.69 inches Color: Black Material: Reinforced Nylon Package Contents: 1 x navigation fish finder set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.