The product can be installed in the M4 screw hole to play the role of a fixed connection. It is widely used in furniture decoration, photographic equipment, electronic equipment, etc.SpecificationColor: RedMaterial: Aluminum Alloy, Iron Nickel PlatingThreading Size: M4x20mmOverall Size: 34x26.5mm/1.34x1.04inch(L*W)Threaded Rod Length: 20mm/0.79inchPacking List: 2 x Adjustable Knob ScrewAdvantageThe threaded rod is made of iron and the surface is nickel-plated, rustproof, rugged, and durable.The handle is made of aluminum alloy CNC. It is sandblasted and anodized. The color is beautiful and catches the eye.The spring-loaded adjustable knob screw can be pulled out or turned to a more friendly position after tightening.InstructionEasy to install without any tools.