Copper hex supports M3

Model: AF143-2.
M3 is the circular threaded portion of a diameter of 3mm, 30 +6 refers to the length of the threaded portion of 6mm, the hexagonal column section of 30mm, the total length of 36mm
Kit contents:
8 supports female - female, 8mm
10 supports 15 +6mm
5 supports 20 +6 mm
5 supports 40 +6 mm
30 M3 nuts