功能

• BS771 • RS Pro Phenol Star Wheel • Presented by RS Pro, this phenol knob is a sturdy, high-quality product. Phenol knobs (also known as "star knobs") are available in a variety of thread lengths, with a choice of galvanized male stubs, brass threaded inserts, or through holes with brass inserts. All models boast high reliability and excellent quality.
• Features/Advantages
• Resistant to most industrial chemicals and ultraviolet rays
• Black gloss finish
• Screw size: M5 → M10