Rig Rite Vertical Transducer Plate. Helps eliminate drilling permanent holes below the water line to prevent leakage. Makes it easy to move install or adjust your transducer to get the maximum benefit from your fish locator. High-density polyethylene plate will not warp corrode or be affected by sunlight. Comes with stainless steel mounting hardware. Bottom of plate can be easily cut to any hull angle. Screw holes remain above water line. Features of Rig Rite 900 Vertical Transducer Plate 18" x 5-9/16" Helps eliminate drilling permanent holes below the water line to prevent leakage Makes it easy to move install or adjust your transducer High-density polyethylene plate will not warp corrode Package Contents: Rig Rite 900 Vertical Transducer Plate Rig Rite 900: Vertical Transducer Plate