Thank you very much for viewing. This is one brass pipe. Product: Brass pipe: 1 ・Length: Approximately 98-99mm * The cross-section is not parallel. ・Outer diameter: Approximately 89mm ・Inner diameter: Approximately 83mm * Measurements are approximate and for reference only. ・Material grade is unknown. Condition: ・There are scratches on the outer and inner diameters. ・There are black stains on the outer and inner surfaces. *Recommended for those who can do their own processing, etc. ・Please understand that this item was used personally. ・Please purchase if you appreciate the item based on the description and photos. ・Please refrain from purchasing if you are overly concerned about details. No comments needed, instant purchase is OK. Thank you.