Material - Made of zinc alloy material, which is corrosion and rust resistant, sturdy, not easy to break, no deformation and durable for long time use, ensure a secure and reliable hold, smooth surface without burrs, strong practicalityEasy to Install - Just drill the appropriate size hole for the screw-in sleeves to be quickly screwed in with an allen key, ensuring a tight fit without splitting the wood, offers resistance against pull-out due to torsion or vibrationConvenient Design - With unique self-tapping external thread, it helps tapping, with good tensile strength, can effectively prevent and remove due to torsion or vibration, it is an essential hand tool for the familyWide Applications - Widely used in the installation of mechanical fasteners, furniture, etc, playing a stable connection role, suitable for cork such as wood, plywood and fiberboard, have a good effect in the furniture combination Service - We are committed to providing our customers with reliable products, if you have any questions about our products, we will respond to you within 24 hours on weekdays