This stainless steel pocket knife features a locking mechanism to prevent the blade from accidentally closing when it's expanded. The blade can only be closed when the "lock" is depressed. It also features 2 smooth plain sides that are great for engraving or some other decoration. 3" L when closed and 5" L when open. Gift Boxed. This item can be engraved with up to 15 characters in the font of your choice.