This men's necklace features 10mm black lava stone beads separated with 2mm black seed beads and accented with genuine 925 sterling silver "spike" beads handmade in our workshop: 2 x 10mm sterling silver beads 2 x 10mm x 14mm sterling silver beads 1 x 13mm sterling silver bead 2 x 8mm sterling silver daisy spacers This necklace fastens with a genuine 925 sterling silver Bali toggle clasp. The standard length, as pictured, is 20 inches. Choose your size from the drop down menu.