Chicago pneumatic c-54315 #4 spline drive 1 in. socket

What is for sale: Chicago pneumatic c-54315 #4 spline drive 1 in. socket

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I know very little about heavy duty industrial tools. My friend sold his business and I bought his overstock, broken lots, and surplus inventory. I really need to turn this over. All the tools are new but had been in storage for a very long time. Some might have been lightly used in his shop.
Listed here is a Chicago Pneumatic C-54315 #4 spline drive 1" socket. It is MolyChrome.