This  is the Staglin Slide Side Opener Automatic.  This automatic knife has a push button spring action with an aluminum frame and acrylic bone inserts on the handle with a  unique top slide safety. The blade is polished stainless steel. This is a sturdy, heavy duty automatic with an overall length of 8 inches with a 4" blade. 

Comes with a camo nylon carrying bag. 

You must be 21 years old and  be a member of the military,  police, firemen, or civil employee to purchase automatic knives.