Features: Accuracy: Each scope leveling tool has a bubble level on both the reference level and barrel clamp level for precise measurement. The magnetic bottom on the reference level adds weight and stability. Adjustable: The scope level is adjustable and fits most types of firearms, including shotguns with large diameter barrels. Durable: Made from precision-machined aluminum with an anodized finish for enhanced durability. Portable: Compact design allows easy storage in a bag or case, making it convenient to carry and use anywhere. Applicable Range: Suitable for leveling scopes, calibration, and other precision alignment tasks. Specifications: Type: Level Calibrator Material: Aluminum Quantity: 1 piece Color: Sand color / Black Size: 7 x 4.5 x 1.5 cm / 2.75 x 1.77 x 0.59 in Net Weight: 128 g / 4.52 oz Package Includes: 1 x Level Calibrator