The 1/4" x 4" Spring Wing Toggle Bolt with Wing Nut is designed for secure fastening in hollow walls. This zinc-plated toggle bolt features a spring wing mechanism that allows for easy installation and removal, making it ideal for various mounting applications. With a length of 4 inches, it accommodates thicker walls and provides a strong hold for heavy items. Perfect for both home improvement projects and professional installations, this toggle bolt is a reliable choice for mounting shelves, fixtures, and more.