Real Avid FINI is a shotgun multitool. It features 6-in-1 choke wrench for changing choke tubes and wide flat blade screwdriver for adjustments and repairs. The screwdriver blade works as shotgun scope turret adjuster to sight in and fine tune your gun scope. The universal choke wrench fits 10 gauge, 12 gauge, 16 gauge, 20 gauge, 28 gauge and .410 gauge and is compatible with all popular makes and models. It works for Remington, Mossberg, Benelli, Stevens, Stoeger, Browning, Beretta choke tubes. FINI is your essential shotgun gunsmith tool. FINI is indispensable piece hunting gear. Adapt your shotgun with a right choke tube for for dove hunting, duck hunting upland pheasant hunting, turkey hunting or deer hunting. Transform your shotgun into home defense gun. Or improve your trap shooting, skeet shooting or 3 gun competition performance. Look no further for shotgun accessories for your Remington 870, Mossberg 500 or 930, Maveric 88, Citori, Wingmaster, Benelli M4 or any other shot gun you have.