Approximately 1/2" yellow plated brass curved-corner hinges with four 0.25" screws, excellent for small wooden boxes. Working hinge with moveable parts. The hinge pin itself is 1/2" long (approx. 13mm). When open, the hinge is approximately 11 wide. The holes in these hinges work great with 1/16" rivets and eyelets, for making custom movable jewelry! Questions? E-mail us for friendly, expert help!