Product parameters: Material: rubber + metal + plastic Color: Black Size: 210mm Use objects: floor, glass Packing list: 1 suction cup Product description: 8-inch diameter high-performance suction cups are durable and quickly adhere to smooth, flat, non-porous surfaces. Ideal for lifting and moving glass, tiles, refrigerators, furniture, plastic, metal, slate, and household appliances. Note that it is not suitable for adsorption on ceramic tiles with uneven surfaces. The suction cup is made of high-quality high-strength rubber and ABS plastic. The suction cup ABS plastic handle is ergonomically shaped, sturdy and comfortable, and has excellent anti-slip effect. The suction cup has extremely strong suction power and can work at temperatures from -20°C to 60°C and maintain a vacuum for 4 hours. The maximum vertical suction force of a single suction cup is 180 kg. The suction cup is specially designed for curved surfaces. The suction cups provide enough space. Can lift curved objects such