High-durability aluminum alloy in black matt and beautiful complement The AUKMONT STABILIZER features proprietary duo picatiny 20mm rail, this design can apply the most of gun / rifle accessories and tactical gear on your bow, no need to use other unstable mounts. 600 Lumens Flashlight with filter can shooting more accurately in dark With side picatinny rail mount can attach more items like damper With this set,you'll be hitting meaningful targets, like bears and ducks and manly things, as opposed to the pretty little flowers that just happened to be in the way of your poorly aimed shot.