POWERFUL SUCTION CUPS: The vacuum rubber suction cup is made of high-quality rubber, and the thickened rubber is about 7.5-8mm.Strong adsorbing force, longer service life GREAT QUALITY:This adjustable vacuum suction cup is made of aluminum alloy material and Iron components，sturdy and durable, and suitable for heavy worktops. EASY TO USE: Adjustable glass suction cups is a professional adjustment，which can adjust the appropriate distance by adjusting the rod to satisfy your every installation demands. INSTRUCTION OF USE:This professional countertop installation tool is used to pull and align the workpiece and the seam to connect or open in the assembly work, to pull two planes or seams together, seamlessly splicing tiles installation. APPLICABLE OCCASIONS:The stone seam setter tool is suitable for granite, stone, marble, slab, floor mirrors, glass, plastic, or any situation where flat and non-porous surfaces need to be pulled together., Manufacturer: SOYWIM