Size: 1/8 brake line with 3AN (3/8x24), 24" (600mm) length Designed to fit most general vehicles and apply for DOT3, DOT4, DOT5, DOT5.1 brake fluid. Hose made in UK, made from PVC coated stainless steel cover PTFE hose, which are highly resistant to corrosion, rust wear. It is 100% pressure tested at 4000PSI for reliable performance and durability. It can also typically withstand temperatures from -73°C to +260°C under most operating conditions. This product has DOT certification and IATF16949 certificates, maintenance period: 2 years 50000km. These brake lines improve the feel of any brake system by removing the expansion that rubber lines give under hard pressure, resulting in better response.