Parallel Rulers all-transparent acrylic glass 5 mm 3 various lengths

Parallel Rulers
of all-transparent acrylic glass 5 mm, with nautical graduation 360° – 1°and vize versa,
facet all-around, connection bars aluminium, metal handles, cork layer to protect the sea charts.

Ref. 7072 30,5 cm (12″) EAN 4011123025708
Ref. 7073 38,1 cm (15″) (w/o.illustr.) EAN 4011123025807
Ref. 7074 45,7 cm (18″) (w/o.illustr.) EAN 4011123025906