These are handmade parts created using a torch and then fired in an electric kiln. Size: Approximately 27.5mm~30.8mm, 3 pieces Please check the back in the 5th photo. Please check the size in the 6th photo. These are handmade by an amateur, so please understand this before purchasing. I am also selling these on other sites. If they sell elsewhere, I will remove the item even if I have received a comment, so thank you for your understanding. I may not be able to respond to comments until late at night due to work. Thank you for your understanding. *I have dogs and cats at home. Even though I am careful, there may be some pet hair attached. Thank you for your understanding.