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