Usui Cho Ku Rei 925 Silver and Quartz Crystal with Chakra Gemstone Reiki Pendant, or Pendulum Usui Cho Ku Rei 925 Silver and Quartz Crystal with Chakra Gemstone Reiki Pendant, or Pendulum Includes a 18" silver chain. 2 1/2" from top to bottom including silver top. Could also be used as a dowsing pendulum.