LEGO+Hard+Point+Connector

**Part Description**
Small plastic pieces with a circular bottom and top tube-like structure

**Interfaces**

 * Screws and nuts or Hexes
 * through screws can be connected to beams, flat bars, angle bars, etc
 * long pieces can travel through the top tube structure

**Possible uses**

 * To serve as a spacer between two pieces
 * Can be flexible or sturdy when connecting pieces
 * Allows to build more realistic robots with elements of lego and metal pieces
 * "The major use of the hard point connector is as an interface between the Tetrix parts and the Mindstorms kit parts"- dsalincoln