accuracy alignment with the 90 degree adjustable tiles leveling systems, featuring a 4.65 inch vacuum suction cup 220lbs of force for secure, slip release handling on smooth surfaces Double knob controls allow effortless of gaps width (0 2 inches) and leveling height (up to 0.79 inches), while sturdy aluminum alloy construction ensures efficient in temperatures from 4°F to 140°F Designed for professional installers and contractors specializing in stone, marble, granites, or tiles projects, prioritizing efficiency and unflawed results Achieve seamless joints on countertops, flooring, or wall installations in kitchens, bathrooms, or commercial spaces requiring meticulous materials alignment The ergonomic vented handle enables quick releases, while rounded edges and protective guards scratches, ensuring safe, damage release operations on delicate surfaces every time, Manufacturer: AMISENK