Product Specifications: Material: Zinc Alloy Size:See size chart for details Screw size: size 25mm,Diameter 4mm Application: Cabinet, Drawer, Shoebox, Cupboard Cabinet Door. Single Screw Hole; Easy to install Package include: 1 x Pull Knobs 2x Screw Notice: -If you've any questions, be at liberty to contact us, we are able to provide you with the finest service . -there could also be an error of 1-3mm thanks to different measuring tools through the dimension process. I hope you can listen in on it before buying, thank you. If you need particular size screws, please go away a message when paying the order, or we can deliver default size.