General description This set of 20 pieces of 90° angle spring hinges is designed for various applications, including jewelry boxes, wine boxes, watch boxes, and gift boxes. Made from sturdy and durable iron, these hinges feature a smooth opening and closing mechanism, ensuring effortless operation. Technical specifications Material: Iron Surface finish: Electroplated (available in vintage, gold, and bronze colors) Opening angle: 90° Quantity: 20 pieces Other information