Features: brand new and high quality With strong magnet in the bottom for easy easy use. Easy to use and compact size for convenient storage and transport. The bubble for shell is made of acrylic, designed for scoperifle levelingCompact: The for shell is made of acrylic and plastic, easy to use and compact size for convenient storage. Accuracy: With level bubble to ensure crosshairs are aligned for in line placement and reliable doping adjustments. How to Use: Place the Scope Turret Level on the top scope cap and the Action Level above the bolt; once the levels show a level scope, and then simply tighten the rings down. Specifications: Material: ABS Color: As the Picture Shows Package Dimension: approx. 6x4x1.7cm/2.36x1.57x0.67inches Net Weight: 20g/0.04lbs Package Includes: 2pcs/set Magnetic Gunsmith Level note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.