Directive Studios Blogs
This tool travels with me, works with all the Really Right Stuff Gear as well as other gear.
Includes Flat Tips, Cross Tips, Star Tips and Hex Tips.
The really cool thing is it mounts underneath my tri-pod center column.
Manufacturers Site: http://reallyrightstuff.com/ProductDesc.aspx?code=_MTX&type=4&eq=
Here's some pics: