About this item 【440LBS Superior Load capacity】8" thickened glass suction cup is made with Durable, odorless, high-strength natural rubber suction cup pad and non-slip and ergonomic handle ，so that the vertical suction force reaches 440LBS, easy to lift large glass/woods/tile ect. 【Smart Start and Stop】The vacuum suction cup with automatic vacuum detection function with Digital Display, it can auto stops working when the negative pressure reaches 65, and auto replenishes air when the negative pressure drops to 50. 【Easy operation】When in use, press the power switch,the suction cup quickly,enters the vacuum state.Press and hold the power button to release the vacuum.It eliminates the need for repeated manual pumping and makes your operation easier and more efficient. 【Easy operation】When in use, press the power switch,the suction cup quickly,enters the vacuum state.Press and hold the power button to release the vacuum.It eliminates the need for repeated manual pumping and makes your operation easier and more efficient. 【Easy operation】When in use, press the power switch,the suction cup quickly,enters the vacuum state.Press and hold the power button to release the vacuum.It eliminates the need for repeated manual pumping and makes your operation easier and more efficient. › See more product details