General description The 3 Inch Concave Vacuum Cup is a heavy-duty suction cup designed for various applications. Made from durable plastic, this suction cup features a 3-inch diameter and comes with an M6 threaded stud for easy attachment. It is ideal for lifting and moving smooth surfaces. Technical specifications Size: 3 inches (75mm) Material: Plastic Color: Black Quantity: 1 piece Measurement allowed error: +/- 1-3 cm Other information Package Contents: 1 * Suction Cup Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.