Perko Locking Collar Pole Light Mounting Base - 2 Pin - Round - Stainless Steel Hazmat Shipping Mounting Hole Diameter Inches: 1-5/16"

Mounting Hole Diameter Inches: 1-5/16"

GT15M-IH transducer is ideal for boats that want to install the transducer inside a fiberglass hull and not on the transom where cavitation could cause issues

Durable Resin Strap

No affect on your boats running performance

Perko Locking Collar Pole Light Mounting Base - 2 Pin - Round - Stainless Steel Hazmat Shipping Mounting Hole Diameter Inches: 1-5/16"Locking Collar Pole Light Mounting Base (2 Pin) Plug In Type Base Construction Stainless Steel Black Plastic Waterproof Snap On Cover Pigtail Leads Fits Figs. 1343, 1347, 1348, 1400, 1440, 1450, 1451, 1452, 1460, 1470 Series All Round Pole Lights and 1612 Series Bi Color Pole Lights