The Millennium Marine TP 100 Transducer Pole is a marine-grade 2-section transducer pole which locks-in every 90Adeg in either direction. The multi-material design lets the pole take some impact and return to normal state while protecting transducer. Adjustable aluminum handle for easy transducer adjustment. Features20" PVC bottom section Stainless steel hardware Foam Grip on handle Easily removed from boat Anodized Aluminum46" aluminum midsection Includes R-101 Base Plate