3004(Dia 15X13Hmm) Aluminium Knob
Product characteristic :
Knob it is an edge with one or a series of label of the common circular protrusion, disc or dial,
can be rotated or push pull, to start and to manipulate or control something. (such as radio or television).
It has plastic knob, baklite knob, aluminium knob,metal knob etc.