The standard AxiDraw pen clip fits pens and other instruments up to 5/8" (16 mm) in diameter. This extra-large pen clip fits pens and other instruments from 1/2" (12 mm) to 1" (25.4 mm) in diameter. It includes a black nylon 8-32 thumbscrew for holding the pen in place.
The XL pen clip is made in the USA from anodized aluminum.
The pen clip is compatible only with AxiDraw V3 family pen plotters that mount the pen on a 2-hole vertical slide. This includes all AxiDraw SE/A3, AxiDraw V3/A3, and AxiDraw V3 XLX units, and all AxiDraw V3 units manufactured after February 2017. In case of ambiguity, please refer to the pictures on page 14 of the AxiDraw V3 User Guide.
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