Crafted from rubber and metal, these suction cups boast strong suction, deeply sealing edges, and a thickened air bleed Valves to ensures Not leakage and long service durability unparalleled lifting power with our 5inch Glass Suction Cups, featuring a robusts vacuum hand Pumps designs and impressive carrying capacity, perfect for handling large glass,, and Granites surfaces Suitable for professional in construction, enthusiasts, and anyone needing Stable tool for moving heavy materials, these suction cups essential for safe and efficient handling Enhances your toolkit with this multifunction and suction cup, designs to meet the demands of both professional and person projects, ensuring and efficiency in every task Perfectly suited for use in construction Site, home renovations, and workshops, these suction cups provide a practical solution for lifting and transporting large, heavy objects with ease, Manufacturer: YiNLuax