General description These 5pcs 3 Inch Concave Vacuum Cups are designed for heavy-duty use, featuring a robust plastic construction and a convenient M6 threaded stud for easy attachment. Ideal for various applications, these suction cups provide reliable grip and support. Technical specifications Size: 3 inches (75mm) Material: Plastic Color: Black Quantity: 5 pieces Measurement allowed error: +/- 1-3cm Other information Package Contents: 5 x Suction Cup Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.