Description Are you looking for a professional, yet power amplifier knob replacement? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once?, ! Our power amplifier knob replacement must meet your needs. It is one of the for you.-Rotatable Control Knob Features -Color: Black -Material: plastic -Size: - Easy installation, solid and sturdy enough for lasting use.-plastic control knobs - Plastic material control knob to be assembled easily for easier rotation.-volume controller knob knobs replacement-Rotary knob makes by rotation, very convenient and practical-dial knob volume knob-It is simple in design, but very practical in use, which brings great convenience to you-replacement knobs knob replacement-Black color exterior paint, the appearance is dirt-resistant-computer volume control knob amplifier replacement knobs-Special design and it is in fine craftsmanship It is the best replacement for your old, broken one-Speaker Knob rotary knob- workmanship, reasonable structure, and practical, can bring you convenience-Speaker Part