Flatline OPS

I’ve been using this anti-cant level since 2014 and during that time it has worked flawlessly. It’s made of quality materials and can be adjusted in both the closed and open positions.
1527899578_21102941715b11e5ba815936.14345494_Flatline OPS1.JPG
1527899597_14951752845b11e5cd6881c6.62233988_Flatline OPS2.JPG