GRABO Stone Seam Setters, the ultimate solution for achieving seamless joins on both porous and non-porous surfaces. Designed for professional use, these seam setters elevate your craftsmanship and deliver flawless results. Equipped with two finely-tuned adjustable knobs, the GRABO Stone Seam Setters allow for precise leveling, ensuring a seamless alignment between surfaces. Additionally, a dedicated adjustable knob is included for seamless joining or opening of seams, giving you complete control over the final outcome. Crafted with durability in mind, the components of the GRABO Stone Seam Setters are made from high-quality stainless steel and aluminum. This robust construction guarantees their longevity and makes them perfectly suited for heavy-duty stone tops, withstanding the demands of professional applications.