Ergonomically design rubber coated non-slip grip handle for comfort hold and the force-transmission spring withstand much pressure, will not deformed for long term use and give you best control. The sharp strong carbide scoring wheels blades allow you to make quick and easy cuts and customizations in glass tile,perfect for irregular cuts . The carbide wheels 0.87 inch (22mm)made by tungsten material open to accommodate glass tile up to 15mm in thickness provides strength and durability and suitable for handles big jobs. High quality steel 7.87 inch ( 200mm ) pliers well built and sturdy ,durable to use.portable size ,easy to use and carry. The nippers used for nipping and shaping glass tiles,two opposed carbide scoring wheels easily score and cut glass tile, ideal for trim work on flooring, walls, mosaics and more.