Track and optical bench, graduated in mm 2 x 500mm

NTL aluminium rail profile, anodised, very thick and solid, with screen-printed milimeter scale,
can be assembled to a 1-m rail with the help of a rail connector;
drilled holes on the face for mounting pulleys or a rod to incline the track in any position or at any angle.

Additionally required:
P5310-1S Rail bond SE, universal