Product Specification:
• Perfect substitute the plastic thumbscrew for GoPro Cameras.
• Aluminum Thumbscrew, High-Strength, high rigidity & precision CNC machining aluminum alloy screws
• The bolt & nut assembly is super lightweight high quality aluminum bolt nut screw
• A small rubber ring is good for preventing abrasion, yet it is not essential for everyone so put them away when you don't need it.

Products
• Length: About 2.2 inches 
• Gross weight: 62g 
• Color: Black
• Material: Precision CNC machining aluminum alloy

Feature
• Smatree Thumbscrew has a O-Ring, it is more resistant to vibration to the stock screws, yet it is not essential for so put them away when you don’t need it.

Content
• 1 x Long Thumbscrew with Steel Acorn Nut.