Knurled knob for Square shaft 12.0 mm - 4 sizes 30/36/44/54 mm, no supports

Fine longitudinal knurling and a slightly domed top. The everyday knob: enough grip for a fingertip, quiet enough for a front panel. Square 12 mm, the size on stopcocks and shut-off valves. Big enough that the knob, not the square, is what gives up first - so do not put a bar on it. ## Sizes in the download All 4 diameters, same shaft fitting: | Diameter | Height | Volume | Weight in PETG | |---|---|---|---| | 30 mm | 23.6 mm | 10.2 cm³ | 13.0 g | | 36 mm | 23.6 mm | 13.8 cm³ | 17.5 g | | 44 mm…

♥ 1