Aluminum 1x3 Liftarm w/ threaded screw hole on one end and in center hole. The two holes on either side of the threaded hole are non-threaded and compatible with standard plastic technic pins. Screw size is #10 machine screw, 24 TPI Coarse.

This is a CNC Milled Aluminum LEGO® Technic compatible, custom-made piece. These are made for heavy duty use.

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