Properly mounting a new scope requires specific tasks and tools to do the job right. First and foremost is setting your reticle level. Secondly, applying the correct torque to the ring and base screws to stabilize the mount without crushing the tube. Lastly, is sighting in and getting on paper fast to save time and ammo. This kit contains the Best Tools for the Job with the Level-Right Pro reticle level, Smart-Torq torque driver and Viz-Max Bore Sighter. Upgrade to Master Grade. Mount. Level. Sight.