Allen wrench
Allen wrench
Allen wrench
n.（名词）
A tool consisting of an L-shaped bar with a hexagonal head, used to turn screws with hexagonal sockets.
阿伦六角扳手：由L型棒和六角形棒头构成的工具，用六角形窝槽来转动螺丝
ORIGIN
[Originally a trademark]
[Originally a trademark]
