The Hydrokinetic Adjustable Wrench, will let you adjust 23 different sizes of bolts and nuts, which means it is fully adjustable, and it features a liquid core which pushes the gripper onto the bolt or nut.

Check out this video of it in action.

If you want one of these cool tools they are available for$24.99 from Think Geek.

via Coolest Gadgets, Random Good Stuff