Various Bakelite knob, Bakelite star knob, turning knob --- ISO 9001 Certificated SHENGWEI,more than 20 years' ... , manifold styles and different sizes can meet your requirements. Bakelite knob·Material: ABS, Polyamide, Bakelite, Fiberglass ·Fitting: Brass, Stainless ... steel·Technics: Plastic Injection Process, From 5g~1500g Persist with Honesty ,Benifit from Credibility, Shengwei, welcom you !