Comfort in a widening range of applications. Nitto Kohki’s Auto Hinges of the flag type. They match all kinds of doors and make their images stand out beautifully.Flag type300, 1000, 100, and 200 series Simple design – The hinges double as door closers, thus giving the doors a neat-looking finish. Their simple and beautiful designs match all kinds of doors. A wide range of uses – They can also be used on arch doors that are not readily compatible with other door closers and doors with no head rails. Sufficient door-closing power – The 100 and 200 series incorporate two springs (weak and strong) and a switching mechanism (clutch) for them, thus giving a small but sufficient door-closing power. An internal stop mechanism – The 300 series comes with an automatic mechanism for stopping closings at 85° to 180° (free stops), the 1000 series at85°, and the 100 and 200 series at 85° and 150°. Simple adjustment of closing speed – The speed can easily be adjusted with the mere use of a screwdriver. Easy to install – These hinges are installed in exactly the same manner as conventional flag-type hinges. They do not require much labor. They are easy to handle. Outstanding durability – They are so structured as to undergo little friction, thus achieving outstanding durability.