{"product_id":"lucky-seven-3-16-copper-coated-brake-line-kit-25-ft-with-20-brass-fittings-flaring-tool-corrosion-resistant","title":"Lucky Seven 3\/16\" Copper-Coated Brake Line Kit — 25 ft with 20 Brass Fittings \u0026 Flaring Tool, Corrosion-Resistant","description":"\u003cp\u003e\u003cstrong\u003eLucky Seven's 3\/16\" copper-coated brake line kit is a 25-foot brake and fuel line solution with 20 brass fittings and a single\/double flaring tool for corrosion-resistant, field-ready installations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit combines flexible copper-coated steel tubing with a full set of brass fittings and a manual flaring and cutting tool so you can repair or replace lines for braking, fuel, and hydraulic circuits. The materials resist rust and are compatible with common soft metals, making the set suitable for shop repairs, roadside fixes, and custom plumbing on classic or modern vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow durable is the tubing for road and weather exposure?\u003c\/h3\u003e\n\u003cp\u003eThe tubing is made from steel with a copper exterior coating that slows corrosion and preserves flexibility. That finish helps protect against moisture and road salts while keeping the tube easy to route through vehicle channels.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCopper-coated steel resists rust better than plain steel.\u003c\/li\u003e\n  \u003cli\u003e3\/16\" diameter balances strength and bendability for tight runs.\u003c\/li\u003e\n  \u003cli\u003eSuitable for undercarriage and engine-bay installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat fittings and connectors are included for a complete installation?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains 20 brass fittings sized for 3\/16\" tubing, including four unions for joining run segments. Brass fittings reduce galling and handle brake fluid and fuel exposure without corroding quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e16 inverted tube nuts designed for 3\/16\" tubing threads.\u003c\/li\u003e\n  \u003cli\u003e4 threaded unions to splice or extend lines cleanly.\u003c\/li\u003e\n  \u003cli\u003eBrass construction to limit corrosion and ensure reliable seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I make single and double flares with the included tool?\u003c\/h3\u003e\n\u003cp\u003eThe supplied flaring tool kit supports both single and double flares on soft metals like copper, aluminum, brass, and soft steel. It also includes a tube cutter so you can prepare ends precisely before forming the flare.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle- and double-flare capability for different fittings and systems.\u003c\/li\u003e\n  \u003cli\u003eCompatible with common soft metal brake and fuel lines.\u003c\/li\u003e\n  \u003cli\u003eIntegrated cutter gives clean, burr-free tube ends for leak-free joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere can this brake line kit be used beyond automotive brakes?\u003c\/h3\u003e\n\u003cp\u003eWhile designed for hydraulic brake systems, this tubing set also works with fuel lines, transmission cooler lines, and other low-pressure hydraulic circuits in automotive, industrial, and home workshop contexts. The combination of tubing and brass fittings provides versatility for many repair and custom projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive braking and parking brake plumbing.\u003c\/li\u003e\n  \u003cli\u003eFuel delivery lines and low-pressure hydraulic runs.\u003c\/li\u003e\n  \u003cli\u003eTransmission cooling lines, lawn equipment, and light industrial uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: mechanics, restoration hobbyists, mobile technicians, and DIY vehicle owners who need a compact, corrosion-resistant tubing kit with fittings and tools to complete brake, fuel, or hydraulic line work. If you want a single package that includes tubing, a full complement of brass connectors, and the tooling to cut and flare ends on-site, this Lucky Seven kit covers those needs without requiring separate purchases.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this tubing compatible with DOT brake fluid?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the copper-coated steel tubing and brass fittings are compatible with DOT brake fluids used in hydraulic systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use the flaring tool on aluminum or brass lines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the included flaring tool supports copper, aluminum, brass, and soft steel tubing for single and double flares.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lucky Seven","offers":[{"title":"Default Title","offer_id":48083091751070,"sku":"B0DB1BD41M","price":60.19,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lucky-seven-front-packaging-brake-line-kit.jpg?v=1785824389","url":"https:\/\/northtrailauto.ca\/products\/lucky-seven-3-16-copper-coated-brake-line-kit-25-ft-with-20-brass-fittings-flaring-tool-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}