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 Constructed 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 Ideal 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