Made from carbon steel materials, this set of wall screws is built to last. The durable construction that they can withstand the test of time and provide long-term use. Whether you are a DIY enthusiast or a professional contractor, this set will be a valuable addition to your toolkit, offering convenience, reliability, and peace of mind. Features -Color:Assorted Color -Material:Carbon steel -Size(screw):3.20X0.90X0.90cm/1.26X0.35X0.35in -Size(screw bit):6.40X0.70X0.70cm/2.52X0.28X0.28in -Size(drill bit):8.00X0.30X0.30cm/3.14X0.12X0.12in -Suitable for both diy enthusiasts and professional contractors, this comprehensive set of wall screws is designed to meet various wall mounting needs. -With its durable construction, this set convenience, reliability, and peace of mind for long-term use. -The combination kit includes drill bits and wall screws for gypsum board and concrete walls. -This set offers a reliable and efficient solution for securely fixing fixtures to walls, providing convenience and peace of mind. -Whether you are a diy enthusiast or a professional contractor, this comprehensive set of wall screws is the ideal choice for all your wall mounting needs. Package list: Screws 1 x drill bit 1 x screw bit