GRABO 90 Degree Seam Setters, the professional solution for achieving perfectly aligned seams on porous and non-porous surfaces. Designed specifically for joining seams at a 90-degree angle, these seam setters are the go-to tool for kitchen islands, bar counters, and various other projects involving materials like granite, stone, marble, and similar stone materials. Designed with the needs of professional countertop installers in mind, the GRABO 90 Degree Stone Seam Setters deliver outstanding results, ensuring straight seams and precise alignment. The fine-tuned adjustable knobs allow for precise leveling, guaranteeing a seamless and flawless finish. Crafted with durability in mind, the GRABO 90 Degree Stone Seam Setters are made with high-quality stainless steel components and feature tightening handles for heavy-duty stone tops. The robust construction ensures longevity and reliability, making these seam setters ideal for demanding projects.