1. Superior Suction Power: This 3Inch concave vacuum cup is specially designed with a heavy-duty hand pump, providing exceptional suction power for secure and reliable attachment to various surfaces. 2. Versatile Application: With a threaded stud G3/8, this suction cup can be easily attached to a wide range of objects, making it ideal for use in industries such as glass handling, woodworking, and automotive repair. 3. Durable Construction: Crafted from high-quality materials, this vacuum cup is built to withstand heavy-duty usage. Its sturdy design ensures long-lasting durability, even in demanding work environments. 4. Convenient and Easy to Use: Featuring a concave shape, this suction cup offers easy installation and removal. Simply press the cup onto the desired surface and use the hand pump to create a strong vacuum seal. 5. Professional Grade Performance: Trusted by professionals, this vacuum cup delivers superior performance and reliability. Whether you're lifting heavy objects or working on delicate surfaces, this suction cup provides the strength and precision you need for your projects. Type:G3/8 Colour:As Shown Material:Plastic+Metal Package Contents: 1 * Suction Cup Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.