Key-Bak Carabiner with Split Ring Key Holder Proudly made in the USA by the company that invented the first key security device in 1947 Black aluminum carabiner with ballistic nylon strap and 1.25 inch (3.2 cm) black steel split-ring measuring 4.5 inches (11.4 cm) Attaches easily to belt loops and purses Nickel plated tempered steel split-ring returns to original shape after expansion High quality import designed by the company that invented the original key security device