Precision 90degree seam guide: Designed to help you achieve precise 90degree seams when installing ceramic, granite, and other stone countertops, ensuring seams line up consistently. Durable construction for heavyduty use: Made with quality materials built to withstand installation demands, providing reliable performance on both ceramic and stone surfaces. Easytouse adjustable design: Allows you to tailor the guide to your specific project, offering flexibility across different surfaces and seam configurations. Professionalgrade results for professionals and enthusiasts: Suitable for both professional contractors and DIY enthusiasts who want clean, accurate seams and smooth installations. Key benefits and features: Helps maintain accurate corners, reduces seam gaps, speeds up installation, and minimizes rework for a polished final look. Compatibility and performance: Works with ceramic, granite, and other stone countertops; designed for dependable seam alignment and longlasting use. Use scenarios: Kitchen countertop installation with granite panels requiring tight, precise 90degree corners. Bathroom vanity tops with ceramic or stone surfaces where seam alignment impacts the finished look. Renovation projects involving large stone countertops or edge joins, where consistent seam alignment improves overall quality.