dimensions: 10x10mm width and height, length is variable
threaded hole each end: 2,5mm in diameter, 8mm deep
Beams in 'end of line - discount'-category do not
have threaded holes each end.
weight: 0,136 gram per mm
material: aluminum , v2.1 6063-T5 black anodised
size nuts and bolts: M3
material nuts and bolts: stainless steel
brackets: different angles (45°, 60°, 90°)
bracket material: stainless steel
There is a starter set of makerbeam drawing components for Sketchup available on Thingiverse made by Berserker.
Here is a link.
profile of MakerBeam v2.1