Higoo(tm) Metal Advanced Optics 40mm 3.15-Inch Aluminum Alloy Tactical Sunshade for Rifle Scope Effectively remove glare and reflections Made from light weight and durable aluminum Black anodized finish Fits most scopes with 40mm objective lens. However, compatibility with your scope is not guaranteed. Please make careful measurement of your scope before ordering. 80mm in length. Allow for serial connection to create greater length.