Higoo(tm) Metal Advanced Optics 50mm 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 50mm objective lens(example: it fits 4-16x50AOE scope,may not fits 4-16x50EG). 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.