These four-sided, 16 mm, aluminum beams are the structural building blocks for creating  robots. Available in seven lengths to provide flexible building options, the beams can also be cut to custom lengths with a metal-cutting blade，The hole distance is 8mm, the diameter of the large hole is 8.1mm and the diameter of the small hole is 3.8mm.                                                                                                                                                      

 

Quantity: pkg of 2

Material: 7005 Aluminum

Dimensions: 16 mm x 16 mm x 80 mm

Weight: 12.1 grams per beam