Dished knob for Round shaft 5/16 in (7.9375 mm) - 4 sizes 20/25/30/36 mm, no supports

Low and dished, so the thumb sits in it rather than on it. Good where a knob must not stand proud of the panel. 5/16 inch is 7.9375 mm. The nearest metric shaft is 8 mm, and a knob bored for 8 sits loose on this one - six hundredths sound like nothing until the knob wobbles. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 20 mm | 19.6 mm | 3.1 cm³ | 3.9 g | | 25 mm | 19.6 mm | 4.6 cm³ | 5.9 g | | 30 mm | 19.6 mm |…

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