For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

Made of high quality plastic. Lightweight, durable and easy to carry.

The scale is clear, the sliding is convenient, the drawing is stable, not easy to skew, and easy to observe.

Wide range of uses: universal energy ruler, protractor to draw the required graphics, also can draw arc curves, horizontal parallel lines, vertical parallel lines, the size is large enough to draw.

Continuous measurement is possible and accurate results can be obtained simply by moving the device within the effective range. The double photosensitive aperture significantly improves the stability of the measurement.

Durable and portable design, maximize the protection of distance measurement; the portable size and rigid body provide a good grip; allow you to carry it stably and easily.