There are 200(1KG) M5x80mm self-tapping screws in total and1pcsPZ2 Driver bit Wood self tapping screws is made of premium carbon steel with coloured zinc coating，much sturdy, durable and anti-rust screws versatile, and used in all trades including joinery, electrical and plumbing. Suitable for use with many materials including PVC, timber, chipboard, MDF and other similar types. Also widely used in DIY applications These multipurpose screws, very sharp and pointed, the thread surface is smooth and the screw opening is deep, the force is even and it is not easy to slip the thread with a larger and more solid force surface, is less likely to slip during installation and allows the tool to be installed quickly saving time, Manufacturer: Aselected