brand new and high quality Features: High quality material with stable performance, practical and useful. Effectively pours out the airflow inside the box for high sound quality. Overlaps with the sound radiated from the front of the horn to produce a effect. Light-weight and durable, easy to install. for Ideal accessories for 2/ 5inch inverted speaker. Speaker Tubes only, other accessories demo in the picture are not included! Specification: Model: YK-45 Material: Plastic Type: Accessories Color: Black Opening Hole Diameter: 66mm/ 2.60in Length: 78mm/ 3.07in Front Outside Diameter: 73mm/ 2.87in Tail Outside Diameter: 46.5mm/ 1.83in Quantity: 1 Set Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 2 Pcs x Speaker Tubes