Features: -Made of high quality zinc alloy, it is wear-resistant, hard and strong with long service life. -With thickened rubber foot pad, the bottom thread can increase friction and keep it stable. -Built-in thickened spring, with good resilience, not easy to deform. -Fix the door by pressing down the top rod, and choose the position of the door opening at will, regardless of strong winds. -Easy to assemble, assembly only takes a few minutes, just screw in the screws. Specification: Colour: silver Material: zinc alloy+rubber Size: as show Package Included: 1/2x Door stopper 3x Screws