The NEW Lustre Line Tulip Knob Latch is a gray-colored door hardware designed for storm doors. Made by Lustre Line Products in the United States, this knob latch is suitable for doors that are 1" to 1-1/4" thick. The Tulip Knob Latch, model LL5, features a single bore design and adds a touch of elegance to any home or garden. Perfect for home improvement projects involving building and hardware, this door knob latch is both functional and stylish, providing a secure and decorative solution for your storm door.