| 摘要 |
A tool kit includes a number of wrenches of various sizes and a corresponding number of go-through type sockets. Each wrench includes a handle with a box end. Each wrench further includes a wheel that is rotatably mounted in the box end of the handle and that defines an inner periphery with a nominal size. Each socket includes an engaging portion for engaging with the box end of a corresponding wrench. The engaging portion includes a nominal size the same as that of the corresponding wrench. Each socket further includes a driving portion having a driving hole with a nominal size the same as that of the corresponding wrench. The engaging portion of each socket includes a recessed portion having a plurality of annularly spaced grooves. Each groove has two inclined faces to allow easy removal of the socket.
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