Britool Hallmark Flare Nut Spanner Wrench Set 7-19mm This Britool Hallmark flare nut set is suitable for most common sizes of compression joint fittings typically found on brake lines etc. The set contains sizes: 7x9, 8x10, 11x13, 12x14, 17x19mm All sizes are hexagon style flare nut wrenches apart from the largest 17 x 19mm which is bi-hexagon style.
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