Crafted from excellent materials, this picture frame backing clip is built to last. Its iron construction provides exceptional durability, making it resistant to deformation and wear and tear. The clip has been expertly crafted with fine workmanship, ensuring its practicality and functionality. Features -Color:Black -Material:Iron -Size:0.50X0.50X0.50cm/0.20X0.20X0.20in(screws) -Size:2.30X0.60X0.20cm/0.90X0.24X0.08in(buttons) -Made of good and stable iron material, strong and reliable, , good wear resistance. -These picture frame turn button and screws can be use in many occasions, like hanging photos, pictures on the wall or making some art craft with these small items. -These photo frames turn button come with screws for easily installed and loosen. If you want to remove the picture or screen, just loose the screw and turn the button for release. -You will receive enough quantity frame baking clips, which can be used for a long time. -Outstanding workmanship, reasonable design, stable and practical, will bring you a . Package list: 300 x buckles 300 x screws