8" metal glass suction cup for rough surface, vacuum glass lifter sucker lifter for granite lifting & window replacement, with carrying case Load Capacity: 8 inch diameter suction cups that can work at temperatures from -20°C to 60°C, with a load capacity range of 130 - 520 lbs. High-quality Materials: This glass suction cup is made of high-quality rubber, odorless and more durable. It has strong adsorption force, saving your time and making you no longer struggle to carry objects. 8 Inch Vacuum Suction Cup For Glass VEVOR Glass Suction Cup 8 In. Heavy Duty Industrial Vacuum Suction Cup Industrial Suction Lifter 240 Lb Capacity With a robust 240 lbs load capacity, this suction cup lifter ensures safe and reliable handling of large glass, tile, and marble, catering to both professional... How to Use: Put the glass suction cup on the surface of the object, press the air pump continuously until the red prompt line disappears, you can use it to carry the object easily. Wide Application: This vacuum suction cup can be adsorbed on various smooth and flat surfaces, such as glass, tile, plastic, furniture, stone, metal, appliances, etc. AUTOAlkins 8 Heavy Duty Suction Cup with Metal Handle to Lift Large Just press the release valve lever after the handling is completed.