Heavy & Durable Note: Will Experience Patina Made of 100% Copper Copper is the third most used industrial metal in the world and has been used by mankind for over 8000 years. A heavy, durable, and elegant material. It may not maintain it’s glorious shine forever, but it’s durability and rigidity will always remain. Enjoy the class of a Stonewashed Copper KeyBar in your pocket and keep your essentials together. What’s included? (1) Branded hinged tin (1) KeyBar with a titanium pocket clip in the color of your choice Comes with Heat Colored Screws (2) custom designed stainless steel 1/2″ screws (up to 4 keys) (2) custom designed stainless steel 3/4″ screws (up to 8 keys) (2) custom designed stainless steel 7/8″ screws (up to 12 keys) (18) Washers (2) O rings (allows you to adjust the tension) (1) Titanium key fob link Will my keys fit?Use the following dimensions to find out: Length of the KeyBar – 3.5″ Width of each rounded end – .95″ Distance between screw holes – 2.55″ Screw post diameter – .164″ How much does the KeyBar weigh? About 4 ounces About 8 house keys What can I put in the KeyBar? Up to 12 keys and inserts with included screws Up to 28 keys and inserts with extension screws