Dive Deep into Wave Theory with a 5pc Interference Diffraction Grating Kit
18,53 €
The side length of the square is 0.2mm, and the side length of the rectangle is 0.6 0.28mm. 1 x 1" round hole grid. Double seam: seam width is 0.05M, spacing is 0.2, 0.3, 0.45mm. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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