This is the next step in tool design. This tool has two blades, a saw ,and a file that can be opened from the outside of the tool. All four of these tools lock. Inside the tool are sicssors, can opener, bottle opener, several screwdrivers and a lanyard hole. The Leatherman wavecombines all of the best features of all the previous leatherman tools. This thing has it all. If your in the market for the most complete tool you can buy then look no further.