Featured with flexible ball bearing hinges, the mini folding hinges avoid the noise when the box or cabinet opening or closing. Designed with rounded corners and decent thickness, the heavy duty door hinges are appropriate for fine projects. Widely used in furniture covers, cabinet doors, wooden windows, box hardware, and etc. Specifications: Size: 1" x 3/4"/25mm x 19mm (L x W) Mounting Hole Diameter: 0.118"/3mm Screw Size: 3mm*8mm Material: Iron Color: Black Quantity: 24pcs Note: Due to manual measurement, please allow a deviation of 1 - 2mm.