New UK manufactured quality plastic scale rule with a flat oval profile.
The overall dimension of the ruler is 345mm x 35mm and the scales go up to 320mm
Scales:
Side 1 - 1:1 1:100, 1:5 1:50
Side 2 - 1:20 1:200, 1:1250 1:2500
Supplied in a polybag.
The ends and apex of the long edges are white to complement the increments.