The Zero Dark 30 knife from TOPS Knives boasts a 3/16 thick steel clip point blade with a ground upper edge (non-sharpened) and Rocky Mountain Tread (RMT) linen Micarta scales for unparalleled grip. The Zero Dark 30 knife comes includes a ballistic nylon sheath with external pocket to stash a folder, kits, etc.
The phrase "Zero Dark 30" is known by many military guys as slang for very early in the morning. The original meaning was the last bottom of the hour before dawn. Also, 00:30--Thirty minutes after midnight--used to refer to a very early starting time.