PIXNOR Triangle D-Ring Single Hole Picture Frame Holders with Screws - 100pcs Color: mainly golden. Material: metal, copper. Size: 0.79 * 0.39 inch 20 * 10 mm. Single hole, small size, triangle D-ring shape, wonderful for home or shop use. They come with screws for easy install. Fit for picture photo frame, cross-stitch etc.