＊Instant purchase is welcome, and midnight silent purchase is OK ◎ ＊Stored at home and shipped with simple packaging. ＊If there are any problems, please contact us "before evaluation"! ——————————————————————— This is a set of 3 packing rings that can be used for the connection of 13mm pipe threads. Please use it for connections such as Benly Can, union nuts, and L-shaped union nuts. Diameter 18.5mm, thickness 2mm ※ Shipping is planned via regular mail. This product has been opened once for confirmation and is listed as "like new". Also, please understand that it is stored at home. 1602-