Specification: Material: metal, rubber Suction: 150 kg Bottom diameter: 212mm(8 inch) Handle + air pump diameter: 180mm Scope of use: ceramic tile/stone/glass/metal/wooden case/plastic/battery Features: 【Durable Material】The glass suction cup is made of durable, odorless, extra strength rubber, and the handle is made of strong metal which can hold strong load capacity. 【Strong Load Capacity】Load capacity of the suction cup is 150kg. Made of special rubber which could works in -20℃ to 60℃ temperatures, and keep the vacuum for 6 hours. 【Easy To Use】Pump the plunger just a few strokes, and the suction cup will firmly adsorb on the glass for more than 1 day! Don't afraid of falling. It's very easy to suck and lift up the smooth surface object. 【Suitable For】8'' diameter metal hand-held vacuum suction cups, fast attachment on flat, smooth, nonporous surfaces. Excellent for lifting and moving materials like large glass, tile,aquarium, furniture,plastics, metal, stone slabs, and appliances. 【Wide Application】Our glass sucker cup can be widely used in large tiles, window replacement, marble, rock slabs, steel panel, flat glass. It's a great handling tool to set up your mirror, background wall, sunroom, table, glass curtain wall, furniture, etc. Parts List: 1* Suction Cup or 1* Suction Cup and 1* Suitcase Note: Please allow 1-3cm measuring deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!