[HEAVY DUTY MATERIAL] - Made of durable copper that is rustproof and corrosion-resistant, sturdy and solid, ensuring long-lasting use. [LARGE LOADING CAPACITY] - Each concealed hinge can support up to 8kg, providing ample strength for various applications including lightweight worktops and tables. [180 DEGREE OPEN] - With a unique 180° opening angle, this barrel hinge is convenient to use for easy access and functionality. [MULTIPLE SIZES AVAILABLE] - Choose from 4 different sizes (10/12/14/16mm) hidden hinges to suit your specific needs and diy projects. [VERSATILE APPLICATIONS] - Ideal for diy projects, this copper small hinge is ideal for use in lightweight worktops, tables, and other furniture projects.