These are antique silver charms that were used as protective amulets by The Rabari people of Rajasthan (NW India). If you want to know about The Rabari you can go here. I've added a little turquoise drop and it hangs on a 16 inch sterling silver chain. If you would like an extension added just put in a note at checkout.
This Kalki amulet is for Vishnu's last incarnation to universally balance and bring peace. This listing is for one necklace the second photo is to help show scale and other styles. The pendant is 19mm x 13mm.
This necklace is ready to ship and will come in a gift box shipped through USPS.