Highest quality grade 304 long-life stainless steel braided flexible hoses. 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 2 watertight 'O' rings. Loose nut female ends connect to sink or basin pipework. Standard UK 1/2” BSP Fitting, Tap tail end: M10/10mm male ends connect to the monobloc tap. 1/2" Female for connecting 15mm male plumbing fittings. High level tightness double O-Ring to prevent leakage.