Okw numbered dials 1 10 scale 270 transparent for roundwing knob okw a 44 23 060 this okw numbered dial 1 10 scale 270 transparent for roundwing knob 23mm has been manufactured using pc ul 94 hb material and can be easily fitted onto a 23mm knob okw a 44 23 060 numbered dial for round knob 23mm 1 10 270 transparent scale