Cross knob for Round shaft 5/16 in (7.9375 mm) - 3 sizes 36/44/54 mm, no supports

Four arms, teardrop section. The highest torque of the twelve shapes - for valves and clamps that are done up by hand. 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 3 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 36 mm | 19.6 mm | 7.5 cm³ | 9.5 g | | 44 mm | 20.2 mm | 12.2 cm³ | 15.5 g | | 54 mm |…

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