WestHunter Optics Riflescope Bubble Levels, Fits 30 mm / 1 inch Scope Tube, for Precision Shooting, Competition and Hunting | 5 PCS

Use on 30mm or 1 inch riflescope tube for the most precise long-range shooting. The thickness of bottom is only 3.6mm (for 30mm tube) or 5.9mm (for 25.4mm tube), fits most rail system. Precision CNC machined from 6061 T6 aircraft grade aluminum and finished in the anodizing, the surface is additionally polished, it is very smooth and won't scratch the scope Use the bubble level to ensure that the equipment is perfectly vertical We provide replacement service for structural damage, each order from this link enjoys a lifetime warranty service