universally Compatibility: Works with various flooring types including hardwood, laminate, engineered wood, making it ideal for both home repairs and projects Large Diameter Suction Cup: Features a 120mm wide suction cup that provides strong adhesion to wood floors, ensuring stable force application during leak tightening operations Secure Vacuum Adhesion: Equipped with a vacuum seal structure that creates strong pressure for firm attachment to smooth surfaces, ensuring stability during tightening tasks Floor Safe: Made with soft antislip rubber, the suction cup prevents scratches, or adhesive residues, ensuring even pressure distribution without damaging floor finishes or glazes Powerful leak Repair: Utilizes a tightening mechanism combined with the suction cup ' s grip to efficiently close gaps in cracked or separated floors, instantly repair results, Manufacturer: Laikoutd