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Let''s right / Ruler

Let''s right
Let''s right

Draw a straight line is hard for people who have no strength of hands. ”Let’s right ” can easily draw a straight line by following the gap. This ruler can satisfy both right–handed and left-handed user draw lines from different directions. It can be easily pick up by both ends are tip up from horizon.

University

TUNGHAI University

TUNGHAI University
Taichung City, Taiwan

Iu-RU lai,
TUNGHAI University