[Durable Material] The kitchen cupboard hinges are made of high-quality metal, which is strong, corrosion-resistant, and rust-resistant for a long service life. Concealed cranked hinges help keep your furniture looking neat and streamlined. [Opening Angle] 135 degrees; Cup size: 1.37" x 0.45" (35 x 11.5mm); Compatible with door thicknesses between 0.55" and 0.78" (14-20mm). Easy to install and helps ensure proper alignment of kitchen cabinet doors. [Soft Close Hinges] Features a soft-close mechanism that allows the door to close slowly, reducing impact and minimizing noise. Operates quietly without loud rubbing or slamming. [Smooth Edge] Inset cabinet door hinges have a smooth surface finish with clean edges and consistent gauge thickness for reliable performance. [Widely Used] Suitable for various cabinets, wardrobes, bookcases, and wooden doors in homes and offices. Includes 2 hinges and 8 reinforced stainless steel screws.