Features:br new high qualityWith strong magnet in the bottom f easy hs-free use.Easy to use compact size f convenient stage transpt.The bubble f shell is made of acrylic, designed f scoperifle levelingCompact: The f shell is made of acrylic plastic, easy to use compact size f convenient stage.Accuracy: With level bubble to ensure crosshairs are aligned f in line placement reliable doping adjustments.How to Use: Place the Scope Turret Level on the top scope cap the Action Level above the bolt; once the levels show a level scope, then simply tighten the rings down. Specifications:Material: ABSCol: As the Picture ShowsPackage Dimension: approx. 6x4x1.7cm or 2.36x1.57x0.67inchesNet Weight: 20g or 0.04lbs Note:Please allow 1-2cm errs due to manual measurement. Due to the difference between different monits, the picture may not reflect the actual col of the item. Package includes:2pcs or set Magnetic Gunsmith Level