BAZHOU Fish Finder Mount Base Universal Mounting Plate Swivel Electronics Fishfinder Mount Easy Install Kayak Boat Accessories Spherical installation: The larger spherical design provides greater clamping force for larger attachments Full range of motion: Provide smooth full range of motion. Fast release and easy to install tracking system Adjustability: Using ball and socket technology, it can be adjusted almost infinitely and can be rotated to meet your needs Material: The base of the fish finder is made of nylon material, which is durable, light in weight and high in strength. Design: Hexagon socket universal socket design, you can configure the socket by yourself Colour: Black Size: 15.8x6.5x15.5CM Delivery Quantity: 1 Piece Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.