This innovative hinge combines the benefits of a self-closing mechanism with a hidden design, making it an ideal choice for modern interiors. The transparent crystal material ensures it remains unobtrusive, while the spring-loaded action makes sure smooth and quiet operation. suitable for spaces where aesthetics and functionality are paramount, it provides a reliable way for door management. Features -Color:Transparent -Material:Acrylic, stainless steel -Size:4.50X2.20X2.00cm/1.77X0.86X0.79in -Screw hole: 4mm Hole spacing: 22mm, 25mm -Note: Suitable for use with boards ranging from 2 to 6mm -Automatic closing door hinge: self-closing hinge mechanism simplifies door operation, providing added safety and convenience for everyday use -Hidden installation door hinge: concealed design ensures a elegant look, complementing contemporary and minimalist interior aesthetics -Resilient : high-strength springs deliver consistent performance, even with repeated opening and closing cycles -Elegant transparency: transparent hinges enhance visual appeal, making them suitable for modern homes and offices -Quiet functionality: precision manufacturing ensures movement, reducing noise for comfortable living experience Package list: 2 x Hinge 8 x screws