1/2" Combo Wrench
A double-ended tool with one end being like an open-end wrench or open-ended spanner, and the other end being like a box-end wrench or ring spanner. Both ends generally fit the same size of bolt.
MUD Project
http://www.mudproject.org/
1527 Wyoming Sthttp://www.mudproject.org/
Missoula, MT, 59801
USA
(406) 549-6790