The Johnny Ray JR-1 Transducer Mount is constructed of aircraft-grade anodized aluminum, and is designed to allow for easy cone angle adjustment to align the transducer to the lake bottom. The JR-1 mount offsets your transducer beside the motor unit. 1" shaft dia. with 2" offset distance. 4.2"L x 2.55"W overall. Material thickness measures .093" with stainless hardware.Manufacturer model #: JR-1. Die-formed from aircraft grade aluminum Clear anodized for freshwater protection Offsets transducer beside the motor unit Allows for easy cone angle adjustment Includes stainless steel hardware