The bubble shell is made of acrylic,contains viscous fluid to ensure the tool easy to read.
The scope mounting kit includes one scope turret level and one gun clamp level.level your scope and rifle at the same time.Leveled rifle + leveled scope = leveled crosshair.
There are strong magnets in the bottom for easy, hands-free 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,the small piece 1.5x0.6x0.6inch , the big one 2.2x0.9x0.8inch
Designed for Mounting Optics. Essential for making sure your scope and gun are level to each other.