Thank you for viewing. Size: Height: Approximately 7.4cm x Width: Approximately 1.6cm x Thickness: Approximately 1.6cm This item is made with a Vajra, a Buddhist ritual object, as its motif. A Gibson black opal is encased in the center. It can be used as a pendant top by threading a string through it. It is made of heat-resistant glass using a special processing technique, and it is an original work, the only one of its kind in the world with this design. Please be sure to check the photos. If you have any concerns or questions, please comment in advance. Also, if you like it, please consider following me. #lampwork #burnerwork #glassart #tonbodama #tools #glasswork #boroglass #borosilicate glass #glasswork #heatresistantglass