Rudder FeedbackSimrad rudder feedback units are high resolution units which contribute to gentle yet accurate steering that characterize the Simrad autopilots. They are rugged units designed to withstand the environment. Though Simrad now offers the virtual rudder feedback VRF(TM) for outboards and stern drive boats up to 40', it is neccessary to display rudder angle on your autopilot. - cis2:mm5mnJlm -Specifications: Type: Parts; Box Dimensions: 3"H x 4"W x 15"L WT: 1.7 lbs; UPC: 809190313484;