| 摘要 |
A superior measuring system comprises three sidewinders and a cobra measure which allows the users to take inside measurement with the assistance for one else. Sidewinders are use to measure distance between 2′to 23′and comprise a casing, an upper blade, and a bottom blade. The cobra measure comprises a main body, a single blade and a hood. The sidewinders have three extending blades which extend from the front and the back sides. The both blades can be locked from a locking mechanism so the blades do not move freely. The cobra measure comprises an angle control which control the angle that the single blade so accurate measurements. The single blade in the cobra measure is a curved shaped blade which provides better stability when measurements are taken.
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