Efficient seaming tool: The 45 Degree Stone Mitre Clamp holds two workpieces at a precise 90degree corner, delivering tight, accurate seams for countertop installation. Easytouse adjustment: Adjustable stapler levers and a spring mechanism apply even pressure and secure pieces until bonding is complete. Versatile applications: Designed for natural tiles and similar materials; suitable for professional contractors and DIY enthusiasts needing clean, accurate miters. Durable construction: Made from a robust metal alloy to withstand repeated use and provide reliable performance on every job. Practical use scenarios: 1) joining tile runs on a stone countertop seam; 2) creating precise miters for stone countertop edges; 3) aligning tile backsplashes at 90 degrees during bathroom installations.