Fury Tactical Self Defense Keychain with Pressure Tip, 5.75", Blue Handcrafted with lightweight aircraft aluminum making the ideal self defense keychain sdk Designed in the USA the Fury sdk is the top selling force multiplier on the market Finger grooves for better Control and grip and includes keychain loop Measures 5.75-Inch and only weighs 2 ounces will not add stress to your keychain The Fury sdk is often poorly copied so always look for the engraved Fury logo to insure a genuine product; Fury sdk is made in Taiwan