Decor Star VSF38-27-V2 3/8" OD 4 mm ID Vessel Sink Faucet Stainless Steel Flexible Water Supply Hoses 27" Long x 2 (1 Pair) 27" Long Hot & Cold Water Hoses. Slim fit 4 mm Inner Diameter. US standard 3/8" OD Compression fitting Slim Design M10 male vessel sink faucet connection. Fits most vessel sink faucets Stainless steel braided exterior cUPC, NSF certified. CA AB 1953 lead free compliant.