Female Thread Iron Bakelite Nut Clamping Knob with Nylon Brass Knurled Camera Thumb Nut 30mm. Customizable Color Options: Available in black with colorable options to meet specific branding needs. Tailored Size Specifications: Sizes can be customized to fit unique application requirements. Durable Material Composition: Constructed from PP, ABS, PA plastics with iron plated or SUS304 metal parts. Tool-Free Hand Tightening: Designed for convenient and quick installation without requiring additional tools. OEM and ODM Services: Supports full customization from samples, designs, and flexible minor adjustments. Fast Delivery Time: Estimated delivery within 7 days for standard orders. Strict Quality Control: 100% visual and functional inspection performed by packing staff before shipment. Versatile Thread Compatibility: Compatible with both metric (M4-M12) and imperial (1/4-2') thread systems.