📏 Inch-Measuring Plastic Straight Ruler Review

2 Pack plastic ruler set: made of good quality plastic, the measuring range of straight ruler is 12 inches/ 30 cm; Plastic ruler width is 3 cm, thickness is 0.15 cm; Size: 30.8 x 3 x 0.15 cm. Black color rulers: you can measure the object easily with the black mathematic ruler; You can see the numbers and letters on page through the black ruler. 2 Side measuring ruler: simple and clear dual measures, one side of the ruler contains cm scale, the other side shows inch scale; You can get your accurate number according to your requirement. Smooth side: unlike the metal ruler, these plastic ruler are thick enough; With 2 smooth sides, it's very safe for adult and children to avert scratching the finger. Accuracy and application: the math ruler has identified lines for 1 cm and 1 inch; The minimum accuracy is 0.1 cm and 1/ 16 inch; Common size ruler can be applied in school, home, library, study room, etc.