Durable strong hardened steel?? Heat treated for maximum strength</br>Measure 7 cm (~2.75 inches) in length</br>For use with Nintendo Wii?? GameCube Controller?? Gameboy Advance?? Gameboy Advance SP and GBA Game Cartridges</br></br>Product Description</br></br>Durable strong hardened steel?? Heat treated for maximum strength?? Measure 7 cm (~2.75 inches) in length. For use with Nintendo Wii?? GameCube Controller?? Gameboy Advance?? Gameboy Advance SP and GBA Game Cartridges</br><br/>http://www.amazon.com/gp/product/B01MT4YXTW