B117 Traditional/CW Thru-Hull 50/200kHz, 600W, Transducer, 9-Pin, DT for Simrad, Lowrance & B & GThe B117 features a 50/200 kHz, dual-frequency, single, ceramic element in a low-profile bronze housing. The nearly-flush design minimizes drag with only 5 mm (3/16″) extending outside of the hull.Features:Depth only or depth and temperature600 WDual-frequency element: 50 kHz with a wide 45 beamwidth for performance to 353 m (1,200′), 200 kHz with a 12 beamwidth for performance to 206 m (700′)Right-angle cable exit saves space and protects the transducer if stepped onIncluded rubber washer allows tightening of the hull nut to irregular hull surfacesLow-profile, bronze housing has minimal dragPlastic P319 and stainless steel SS60 models are also available to accommodate all hull materials and deadrise anglesSpecifications:Weight: 0.9 kg (2.0 lb.)Recommended Boat Length:Up to 8 m (25′)Hull Material:Fiberglass or woodHull Deadrise:Best performance through 7. Can accommodate up to 12.Acoustic Window:UrethaneHole Diameter: 51 mm (2″)This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Brochure (pdf)