Men's Women's Tungsten Ring Abalone Koa Wood Dome 8mm Wedding Band Comfort Fit Protective Coating Comes with Ring Box Our latest design 5 rows alternating Hawaiian Koa Wood and Abalone Shell Great for wedding bands Tungsten rings are virtually indestructible and scratch proof. They are polished with a diamond compound, resulting in a polish and shine that will last forever. Tungsten rings have the perfect combinations of super strength with style and comfort and are the most wear resistant rings available on the planet. Tungsten is harder that 18K gold by about 10 times, 5 times harder that tool steel and 4 times harder than Titanium. Tungsten Rings will hold their shape and shine longer than any ring on the market. Tungsten rings will not bend, however, in the event of an emergency, a ring can be removed by a medical professional. The rings will break or shatter if they encounter a significant impact with a hard object.