Size: 63mm long, inner diameter 8.7mm. Manual measurements, please allow slight errors. Compatibility: Suitable for blind rods/rods with a diameter of approximately 8/9mm. This handle serves as the user's operating point for vertical Venetian blinds, directly controlling the opening and closing of all slats and overall movement. It is the core operating component for vertical Venetian blinds. Material: This product is specially designed and made of plastic, ensuring a long lifespan and resistance to damage. Product include a total of 4pcs Vertical Blind Wand Handles, which can completely meet your daily use needs and replacement., Manufacturer: The Lord of the Tools