This is rust, corrosion and lead-free. Chrome fittings on both ends.Loose nut female ends with rubber washers connect to standard kitchen and basin pipework. 10mm threaded male connection with watertight 'O' rings. It connects to sink or basin pipework. Standard UK 1/2” BSP Fitting, Tap tail end: M10/10mm male ends connect to the monobloc tap. High level tightness O-Ring to prevent leakage. Highest quality grade 304 long-life stainless steel braided flexible hoses. This is Rust, corrosion and lead-free. Chrome fittings on both ends. Highest quality grade 304 long-life stainless steel braided flexible hoses 1/2" Female for connecting 15mm male plumbing fittings M10/10mm male ends.