APPLY TO - Small hardware nails are suitable for household woodworking, such as wooden doors, ordinary cabinet doors and other surface panel hinges fixed installation, can also be used for DIY handmade wood products, such as wooden boxes, wooden handicrafts, etc. Not for hard walls.SPECIFICATION:Material: Carbon SteelSurface Finish: Copper PlatedTotal Length: 19mm /0.75-inRod Diameter: 1.4mm /0.06-inQUANTITY INCLUDED - 200pcs x Small Tiny NailsADVANTAGE - The tiny nails are made of carbon steel, with nickel-plated surface treatment, rust and corrosion resistance, high hardness, and good penetration.INSTALL - There are some small textures on the nail rods to increase friction and prevent loosening and falling off after installation.