Flexible shafts, available as A 7C13-(inch) and A 7C13M (metric) Series, are designed to be panel mounted without casing. Products operate in manual mode and are offered with curvature radius from 20-1.5 in. (500-38 mm). Diameters range from .130-.187 in. (3.3-4.8 mm), and lengths vary from 3-14 in. (76-355 mm).