SOG Knives & Tools Flash AT, Folding Knife, 3.45 Straight Back, Black GRN Handle, D2 Steel, Titanium Nitride Finish, Black SOG-11-18-01-41 A folding knife designed for everyday users" the Flash AT assisted opening knife features rapid assisted opening with SOG's innovative ambidextrous AT-XR Lock and streamlined ergonomic handle design for enhanced grip and comfort. Flash AT is compact and easy to carry" with a highly functional 3.5" cryogenically heat-treated D2 stainless steel blade. Its powerful XR locking mechanism also features reliable built-in blade locking safety and spine-mounted safety system. The next evolution of the popular Flash pocket knife.