Are you looking for a professional, yet reasonable petal nut expansion nut? Are you in search of a sturdy, trustworthy accessory that can do multiple jobs at once? , ! Our threaded insert must meet your needs, this thread expansion nut is one of the great choices for you. Features -Color:Multi -Material:Carbon steel galvanized, stainless steel -Size:2.30X1.10X1.10cm/0.90X0.43X0.43in Inner diameter: 4mm Outer diameter: 8mm -The Screw Anchor is designed to be durable and reliable, ensuring use. -This thread expansion nut is suitable for both homeowners and contractors, meeting the needs of various users. -The installation process is easy and simple, making it convenient for users to use and install. -The thread petal nut is versatile and can be used for various installation needs, providing flexibility and convenience. -Sturdy stainless steel and carbon steel galvanized materials are used in the thread nut insert, its reliability and ensuring its performance. Package list: 20 x Hollow Door Anchors