- Practical Set: This suction cup kit includes 8 suction cup hooks with a 30 mm diameter and M4 x 8 mm thread, along with 8 knurled nuts for secure attachment. - Durable Materials: Crafted from high-quality materials, our suction cups are designed for long-lasting performance, resisting yellowing and deformation for a reliable solution. - Strong Load Capacity: Featuring a smooth surface and robust adhesion, each suction cup can support up to 2 kg. They maintain their grip even under extreme conditions, ensuring they will not deform or peel off. - Easy Installation: No glue or drilling is required for installation. These suction cups adhere effectively to glass, ceramic tiles, smooth plastics, and metals, providing a tight seal upon contact. To use, simply clean the surface, peel off any sticky impurities, and attach the suction cups to the desired location without the need for any tools. - Versatile Applications: Ideal for hanging items like electronic parking signs, decorations, or organizing tools in your garage. Perfect for use in homes, offices, or any setting where space-saving solutions are needed. - Compatibility: Works seamlessly on a variety of smooth surfaces, making it a versatile addition to your home or workspace. This suction cup set combines quality, strength, and ease of use, ensuring you have reliable support for your hanging needs.