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Conformity to ISO 383 / DIN 12249 Standards.
* represents Non DIN size
Brass, plated.
Brass, plated. With loop on one side and hook on the other side.
For parallelogram and polygon of forces. A strong drawing board 750 x 600 mm, fitted with brackets for fixing to a wall. Clear space is left all round the edges for attachment of pulleys etc., supplied with pulleys, cords but without masses.