functional key silver chain statement necklace measures 20” with its 18” silver chain and 2” CH751 key, along with a 2” extender to lengthen the necklace to a total of 22”. the CH751 is the second best to a skeleton key! it’s used for accessing many different storage compartments and cabinets across various utility vehicles including RVs, campers, and trailers. it’s also commonly used for toolboxes, lockers, display cases, and even sprinkler controllers! #skeletonkey #urbex #utilitarian #functionaljewelry #punk handmade, skeleton key, urbex, utility, utilitarian, functional jewelry, punk, grunge, alternative, streetwear