GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 40572 Female 4-pin to Male 6-pin Transducer Adapter for echo? Series Non-stock items are not maintained in our warehouses but are ordered from the vendor upon receipt of a sales order. These items may be brought into and shipped from one of our warehouses or drop shipped directly from the manufacturer This transducer adapter allows you to use your existing 6-pin transducer with your echo? series fishfinder. GVO Marine Electronics: . Get the item you ordered or get your money back. Covers your purchase price and original shipping.