Shackle 22 was created to keep your keys neatly organized in a small, beautiful form factor. Minimalism, durability, functionality, and aesthetics were the four key principles that shaped the final design. Minimalism: The shackle assembly consists of a “U” shaped frame and a threaded key post crafted from Titanium. Choose from tumbled or polished surface. PAckage includes an allen wrench, spacers and Shackle 22.