Okw numbered dials 0 11 30deg transparent for roundwing knobs okw a 44 16 049 the okw numbered dial 0 11 30 transparent for roundwing knob 16mm has been manufactured with pc ul 94 hb material and can easily be fitted to a 16mm roundwing knob okw a 44 16 049 numbered dial for roundwing knob 16mm 0 11 30 transp scale