Fit for picture and photo frame or -stitches The double hole D-ring hanger is with metal Theses double-hole D-Ring hangers are easy to install with screws The frame hanger hook, picture hanging bracket, and mirror clip bracket, are very useful color: Silver Material: Metal Weight: 543g size: 3.3x2.3cm Screw length: 1.2cm Double hole with screws allows for the ring hanger to be attached securely to a wooden picture frame or wooden project These picture frame hanging hooks are fit for wooden frames and -stitches Picture hangers and hardware for hanging a picture frame, including , screw rings, strap hangers, key rings, slotted picture hangers etc Package Content: 75 x D Ring Picture Hangers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.