: The sink basket screws are copper,, non-deformation, non-rust, suitable for daily use Package includes: 1x Sink Strainer Screws Practical Designs: This sink basket screw has slotted designs, which is very and can be tightened and reinforced with coin 6cm / 6.3cm / 4cm 3 sizes are available Suitable for most kitchen sink basket of application: This sink basket screw is widely used in the back kitchen of home restaurants