This 16 piece 1/4" brake line replacement fitting kit is a must-have for any mechanic. The kit includes the most popular SAE sizes and can be used on various types of brake lines like steel, stainless steel, copper-nickel, copper-coated steel, and PVF-coated brake lines. It contains (2) LTN13 Tube Nut 1/4" (7/16-24 Inverted), (10) LTN16 Tube Nut 1/4" (7/16-24 Inverted) Long, (2) LTN34 Tube Nut 1/4" (9/16-18 Inverted), and (2) LTN35 Tube Nut 1/4" (1/2-20 Inverted). If you're looking for a reliable and durable product, this fitting kit is perfect for the job. Its manufacturing part number is LTSFK250.