Pickett brand #335, 15cm (6") bevel scale. Metric : 1:1, 1:100, 1:5, 1:50. 1:20, 1:200, 1:250. 1:2500. Very handy for quickly checking metric drawings without having to carry around a 30cm scale. Flat scale conveniently fits in pocket. New, never used, more than one available