Ruler for drawing Shinwa Triangular Rotating Scale / 15cm / SKS-15
The triangular ruler can be placed on the drawing to be measured, and six different scales can be selected by simply rotating the left and right knobs. No need to rotate the main unit.
| Year Awarded | Good Design Award 1992 | |||
| Award-winning company | Shinwa Measuring Instruments Co. | |||
| Designers | Mono Pro Designers, Katsura Takekawa | |||
| Size | 185 x (22.5 x 22.5 x 12) mm | |||
| Weight | 61g | |||
| Material | Body: aluminum, knob: rubber | |||
| Scale | Upper: 1/50, 1/100, 1/200, 1/250, 1/500, Lower: 1/300 | |||
| Country of production | Japan | |||
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