This Thor’s hammer pendant is a replica of a find from around the year 1000, discovered in När on the island of Gotland. The original, made of silver and slightly larger (see Pe-39), is now located at the Fornsalen museum in Visby.
See: https://samlingar.shm.se/object/508187A8-E4A4-457A-82F7-DB300C78939D
Made of bronze.
All pendants come with a black cord that you can adjust to your desired length.