PalmBeach Jewelry Men's Black Ruthenium Finish Curb-Link Necklace 30" Top Rated Seller - Trusted since 1952 - 90 Day Guarantee - Easy Returns Chain Link: Curb Link He'll express his contemporary style when he sports this bold curb-link necklace. He can pair it with anything from his favorite tee-shirt to a business suit. 10.8 mm width. 30" length. Black ruthenium finish.