LEONTOOL 2 Pcs M4 17mm Male Threading Rotating Knob Adjustable Thumb Lever Screw with Single Wing for Camera Equipment(Black)

• What You Get: 2 x M4 17mm Male adjustable thumb lever screw.
• Design: Screw with spring loaded design, can be pulled out and turned to a more user friendly position after being tightened. Single wing helps you to adjust the thumb screw easily and conveniently.
• Material: The single wing of the 7-shaped thumb screw is made of aluminum alloy, durability and great for long term use. The screw part is made of iron, sturdy and durable. Electro-galvanized surface, anti-rust and anti-corrosion.
• Size: Model: M4. Screw length: 17mm.
• Customer Guarantee: We provide a 100% guarantee for you, please contact us if there is any problem, and we will do our best to solve your problem.

Package includes: 2 x M4 17mm Male Threading Rotating Knob; Material: Aluminum Alloy; Model: M4; Color: Black; Attention: 1.Please place it where the child can't reach it; 2.Please check the product sizes before buying; 3.We provide quality assurance. If you receive a defective product or have any problems during use, please feel free to contact us, we will provide return and exchange service at any time.