13mm Extra Large Silver Steel Ball Chain Mens Necklace with Durable Protective Finish. An exclusive ball chain necklace made only by DragonWeave Jewelry, these are also called bead chains. Half an inch (13mm) is a giant extra large sized ball chain, the biggest available - about the size of a blueberry. Great for a punk look, emo, rocker, goth, biker - heavy and very versatile. The balls are a huge 13mm (1/2") in diameter, and average about 19 balls per foot. It can be wrapped to wear as a multistrand bracelet or choker. The chain is made of steel and then nickel-plated for a silvery shine. And to keep that way, this chain has been treated with an exclusive crystal clear fine resin finish. This finish gives the ball chain super durability, resistance to tarnish and wear of all kinds - including salt water! It will not dull, fade, turn color, rub off, or turn your skin colors like cheaper chains can do. This unisex silvery steel ball chain necklace is ready for hard daily wear, and will keep it's beautiful shiny finish and cool silver color. Available in a wide variety of lengths, from choker to extra long. Handmade in the USA exclusively by DragonWeave Jewelry.