12 pack of M1L-3
10mm x 1.0 Fine thread, male steel nut with non-threaded lead, 23mm long.
This nut works with both SAE (45 degree/inverted/double) and DIN (bubble/ISO) flares
Standard long style European (German/DIN) style brake line nut.
Long style nuts are preferred in high vibration areas
Use with 3/16"/4.75mm (CNF-3) tubing