This is an Avenger C595 Baby Bonka 3 Piece Steel Stand Extension Kit. Use each piece in this kit to extend the height or reach of your Baby (5/8") Stand or Boom.
Each extension is constructed of chrome-plated steel and has a different effective length: 26.6, 10.6 and 6" (67.5, 27, and 15cm). Each features a Baby 5/8" (16mm) stud on one end, and a locking Baby (5/8") receptor on the other.
Use individually or combine all for a total of 4' (1.2 m) extension
Use as stand extensions or hand-held booms
Although the name of the product suggests it, do NOT use it to Bonka anyone