The Britool E112301B flare nut spanners are forged in chrome vanadium steel with a high chrome finish. The 6-point OGV® ring is angled at 15° and the open end is angled at 15° from the handle axis. DIN 3118 - ISO 691.The Britool BRIE112501B 5 piece flare spanner set is supplied on a plastic storage rack and includes the following flare spanners:Contents: 7x9, 8x10, 11x13, 12x14 and 17x19mm.Set Weight: 470g