EBayProfessional Magnetic Scope Leveling Kit bubble level Tool Brown Product Details Brand: Material: Plastic, Acrylic Color: Brown Product Dimensions: 0.8"L x 2.2"W Style: Magnetic Operation Mode: Manual Manufacturer: Part Number: Solid G-1 Item Weight: 1.58 Ounces Item model number: Solid G-1 Power Source: ac Included Components: Case Batteries Included?: No Batteries Required?: No Brand: Material: Plastic, Acrylic Color: Brown Product Dimensions: 0.8"L x 2.2"W Style: Magnetic The shell of scope leveling kit is made from acrylic,contains viscous fluid to ensure the tool easy to read. The scope mounting kit includes 3 pcs scope level,one turret-level and two action-levels. Level your scope and rifle at the same time. There are strong magnets in the bottom of scope bubble level,easy&hands-free to use. Got these levels with their magnetic pad on the bottom and they work great. Use the levels to mount a rifle scope or cant level in a hurry. Compact size allows for convenient storage and transport. Designed for scope Mounting level. Essential for making sure your rifle scope is level.