1.25 MM - 10" - 1.2g (Spring Clasp). 1.25 MM - 16" - 1.9g (Spring Clasp). 1.5 MM - 7" - 1.4g ( Lobster Clasp). 1.5 MM - 16" -2.7g ( Lobster Clasp). 1.5 MM - 18" - 3.3g ( Lobster Clasp). 1.5 MM - 20" - 3.4g ( Lobster Clasp).
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