Our leather keychains are manufactured with great design and they are comfortable to use. The engraving area is 1.5 cm by 5 cm = 5/8 inch by 2 inch approximately The keyring has diameter of 2.5 cm = 1 inch approximately The hardware is 2 colors and they are called black and silver like shown in images. You will love the smell of our products, they smell all natural :) Please Note: Our products are handcrafted from full grain distressed leather. Since it is a natural product it may seem different in color, surface and in other natural dimensions. No two of them are alike and each one is unique. You have chosen full grain leather for these reasons :)