Strong suction force: Thickened vacuum rubber suction cups provide dependable suction to prevent movement during assembly, keeping tiles firmly positioned for accurate installation. Controlled tension adjustment: The adjustable tensioning knob enables controlled finetuning, ensuring consistent tile alignment supported by the grading bar system for exact positioning. Sturdy iron construction: Rustresistant iron material with a solid structural design delivers durability and ease of use, with a comfortable grip for granite seam work. Effortless working tool: The granite seam setter improves work efficiency with an easytocarry design, making tile suction cup tensioning effortless for portable tool solutions. Use scenarios Tile installation on walls or floors: Use the suction cups to hold and position tiles while aligning, then finetune with the tensioning knob for precise results, aided by the grading bar system. Granite seam setting and countertop work: Provides a stable fixture to align seams during stone or granite installations, with a comfortable grip for steady handling. Portable job sites and onsite adjustments: Lightweight, easytocarry design facilitates transport between locations, enabling quick setup and efficient tensioning in the field.