Features: AccuracyEach scope leveling tool has a bubble level both on reference level and barrel clamp level for precise measurement.And the magnetic bottom on reference level can add weight and stability.AdjustableThe scope level is adjustable and fits almost all types of guns, even the largest diameter barrels, including shotguns.DurableUses precision machined aluminum with an anodized finish, ensuring the gunsmith level better durability.PortableIt can be easily put into your handbag and case, easy to take with you and use anywhere.ApplicablerangeSuitable for leveling your scopesight,calibration precision,etc.SpecificationsType:Level CalibratorMaterial:aluminumQuantity:1pcColor:sand color/blackSize:7*4.5*1.5cm/2.75*1.77*0.59inNetweight:128g/4.52ozPackages:1*LevelCalibratorAccuracyEach scope leveling tool has a bubble level both on reference level and barrel clamp level for precise measurement.And the magnetic bottom on reference level can add weight and stability.AdjustableThe scope level is adjustable and fits almost all types of guns, even the largest diameter barrels, including shotguns.Durable