UPGRADED CUTTER HEAD: Are you worried about unsmooth glass cutting? Now our glass cutter can crack this problem as a whole, Premium Carbide glass cutter, sharp and smoother cutting. Absolute precision guaranteed cutting to guarantee smooth operation Easy to Use: Anti-skid alloy handle with ergonomic design reduces wrist fatigue. Our glass cutters tools feature automatic oil feed system, lubricating the wheel per cut for sharp, fluent cutting (Glass cutter oil not included.) LARGER CUTTING RANGE: This glass cutting tool set includes 3 interchangeable heads for 2-6mm, 6-12mm & 12-20mm. Easily switch cutting blades to handle various glass thicknesses WIDE APPLICATION: Our glass cutting kit is suitable for different glass types, ideal tool for DIY, mosaic, tiles, mirror, stained glass cutting and household cutting work 100% CUSTOMER SERVICE: Strict quality inspection make each of our glass cutting tools high quality, if you are not satisfied with what you receive, let us know. We are committed to meeting the needs of users and continuously improving our productsCUSTOMER SATISFACTION; Strict quality inspection ensures each product is high quality. If you're not fully satisfied, we will make it right for you. Try it, totally risk-free!