3 pc his & hers natural 1.25 ct genuine spinel deer antler black koa wood surgical black stainless steel engagement wedding rings set (size men 13; women 07) kingsway jewelry perfect gift for the hunters and outdoors type that we all know. or the perfect gift wedding/engagement set for the hunter/outdoors coupleboth bands are made of stainless steel and decorated with black natural koa wood, and natural deer antler. width: 7 mm. women's engagement ring is made of stainless steel and decorated with princess cut black spinel.