This is the limited edition Matte Black version of the RingTool.
 
Beautifully designed and manufactured in the USA, with the bicycle commuter in mind, it's hard to think of a situation in which you wouldn't want a multitool small enough to add to your keychain. 
 
It features hex heads ranging from 4-10mm, a flathead, phillips, and torxhead driver, as well as the often used bottle opener.   It's made from hardened stainless steel, and weighs just two ounces — perfect for your minimalist carry.
 
- 3mm Hexhead 
- 4mm Hexhead
- 5mm Hexhead
- 6mm Hexhead
- 8mm Hexhead
- Flathead Driver
- Phillips Driver
- Torxhead T25 Driver
- 0.127" (3.23 mm) Spoke wrench (DT/Wheelsmith nipples) 
- 0.130" (3.30 mm) Spoke wrench (most European)
- Bottle-cap opener
 
Tip to tip measurement? 2"
 
and, it's TSA Approved