Holiday Shipping Notice: DFRobot will be out of office Sep 30 – Oct 7 (UTC+8) for the National Day holiday. Shipping resumes Oct 8.











This is a PCB engineering ruler used daily by DFRobot electronic engineers, the short PCB ruler is only the size of the palm of your hand, making it more delicate and compact, and easy to carry. The information on the engineering ruler can provide references for electronic engineers when designing PCBs and improve work efficiency. It is an essential auxiliary tool for DFRobot engineers. In addition, its precise scale and hard glass fiber material are a good helper for ruler drawing and model making. Now we recommend it to you, hope it can help you too.
Sep 26, 2026
Accurate and very handy with designing. Especially when making 3d print models.
Sep 20, 2025
Good service and fast shipping
Apr 28, 2024
very cool! neat idea too!