9.5mm (3/8") wide Heavy Biker Tungsten Necklace – 18", 20”, 22”, 24", 26", 30" & 36" SUPER WIDE & HEAVY! 22” weights about 250 grams 30" weights about 350 grams Solid Tungsten Carbide, cobalt free. NEVER SCRATCH and Corrosion Resistance. The only way to scratch tungsten is with diamonds. Tungsten is the only rare and exotic metal that can be permanently polished. Hypoallergenic Mirror-Polish Finished / Secured Lobster Lock! Great for gift! USA buyers. For your protection, please insured for USPS First Class Mail Package shipment. We are located in Los Angeles , California and we ship FAST! We provide 30 days no-question ask return guarantee! Please select your correct size - 18”, 20”, 22", 24”, 26, 30" or 36" Buy with confidence, See our 100% feedback!.