Specifications: Product Name: Thumb Screws Sizes: For example, M4x0.7x10mm (thread diameter 4mm, thread pitch 0.7mm, thread length 10mm). Material: Aluminum Alloy(Anodizing) & Carbon metallic Package Contents: Based at the ideas (Other accessories now not included) Descriptions: Knob Screw is easy to install or eliminate without any tools, convenivent and effortless. Widely utilized in furnishings decoration, photographic equipment, digital equipment and so on. Adjustable knob screw is spring loaded which might be pulled out or turned to a extra friendly role after being tightened. The screw manage is made from high quality aluminum alloy, the screw is manufactured from Carbon Steel, more durable. Notice: Please verify the Dimensions you're ordering.