Position the fish finder at the perfect angle on your watercraft with this heavy duty 2.25” ball mount. Designed for 10” – 12” fish finders. 2.25″ ball mount with fish finder top plate. Prefabricated holes on the top plate allow easy installation of your gimbal mount bracket. The square base securely fastens with ¼” bolts. Ball design has superior strength and reliable holding power. Constructed using engineering-grade nylon and stainless steel fasteners to last a lifetime.