Link Chain in Stainless Steel Lobster Clasp Closure 8mm Matte Black Onyx Necklace has a 2 Inch Extension Chain Model is wearing 20 Inch Necklace Product Code: MNEC_404 Designer's Notes This Mariner chain, paired with matte black Onyx beads, is bold and unforgettable. Wear it solo for sleek sophistication or layer it with another Onyx piece to turn up the edge on your style. Please note that all our pieces are crafted by hand and one-of-a-kind, and may therefore vary slightly in size, shape, and color.