This is a tool used for trimming on an electric potter's wheel. Only the bottom disc rotates, so you can firmly hold the main body down from above. ・Size: Approximately 30mm in diameter x 11mm thick ・1 piece Convenient for trimming tall teacups and other items! Sent by regular mail. If you prefer anonymous shipping, please comment. It will be sent for an additional 100 yen. I will ship together with other products, so please comment.