Features: galvanized material, not easy to deform, easy to install, easy to use and widely used. OOTDThe can be interior decoration moulding and solid wood furniture. No installation trace, no patch points, beautiful installation effect. Casting made of solid material, the service life is longer. Note: Only 3.5x0.8mm seamless nails contain expansion pipes! Specification: Material: GalvanizedSize: 1.5x0.8cm, 2.5x0.8cm, 3.5x0.8cm Length: 1.5cm/2.5cm/3.5cm Package Includes: 50x Seamless NailsNote: 1. Please allow 1-2cm errors due to manual measurement, please make sure you do not mind before ordering.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3.1.5cm and 2.5cm only have nails, 3.5cm contains expansion tube and nails. (1.5cm and 2.5cm are shorter, and the expansion tube can be installed without using it)