The AMS Saturn Single Pin Bowfishing Sight has an aluminum side bracket and housing. For those of you who prefer to use a sight when bowfishing, here is an option for you. Works with any AMS Retriever. Extra long, fully protected, .19” diameter vivid fiber optic pin mounts. Underneath your AMS Retriever mounting bracket laser markings for windage and elevation. Adjustment huge 2” diameter Aperture for Clear View Violet Rheostat LED Light Sight Level.