the 18-in-1 Multi Functional Snowflake-shaped Screwdriver Keyring Chain is Made of Stainless Steel Metal & is a Small & Convenient Tool Kit. This Multi Functional Tool Can be Easily Hung on a Keyring Chain or Backpack Rucksack for Use When Needed. for Those Who Like Outdoor Activities, This is a Good Tool & Gift., Customize the Logo You Like on It. 2.598 Inch L x 2.598 Inch W