Mango TU47 True Utility Keytool Multifunction Stainless Steel Keyring Tool Accessory simply wraps stylishly around any standard door key, and uses the actual door key to increase leverage for the bottle opener, and for the 3 different sizes of screwdriver, including the essential eyeglass screwdriver. It also includes a nail file, nail cleaner, thread cutter and even a pair of tweezers! 2" long x .8" wide x .1" high. Since its foundation in 2000, True Utility has delivered the highest standards in product design, customer service and ongoing brand development. With accomplished designs that are original from idea to end result, founder Lee Berman has designed inspiring products to de-clutter pockets, arming people with contemporary, minimalist and practical pocket tools. True Utility is based in Bournemouth, England.