Set your fish finder at the perfect angle on your watercraft with this heavy duty 2.25x ball mount. Designed for 10"- 12" fish finders.Prefabricated holes on the top plate allow easy installation of your gimbal mount bracket.The square base securely fastens with 1/4" bolts.2.25" ball design has superior strength and reliable holding power.Constructed using engineering grade Nylon and stainless steel fasteners to last a lifetime.