Ark Tungsten Weights come in a variety of types and feature multiple finishes The No Chip Matte Black color are treated with ARK's special processing so the surface color will not come off.  The inserted weights have super durable plastic insert tubes which offer 100% line protection. It has been the only choice for the top level pros. The sizes of the weights are engraved or laser printed on so it will never be mixed in your tackle box.