Replace the 6mm diameter bubble level with 8mm bubble level to make it more visible on your scope. And higher bubble level can avoid being covered by the turrets.
The thickness of bottom is only 2mm for 30mm so it will fit most rail system and do not need to worry about your low profile scope rings.
It is easy to install and to mount anywhere on scope tube left or right side, the ring is so light to carry and cannot block you view.
Makes it easy to maintain a perfect horizontal hold during extreme-range. And matte finish, which reduce glare so that you position can be camouflaged at all times.
Viscous fluid: No matter what circumstance, it always exists one bubble.

Technical Details

Product Details

Package Dimensions
Width : 2.4 inch
Height : 0.6 inch
Length : 3.1 inch

Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B01MUT3UAV