【Premium Quality】These angle grinder discs are made of tungsten carbide – more durable and wear-resistant than hundreds of sanding pads – helping you save energy and improve your work efficiency. 【Practical 4-piece Grinding Set】Four types of grinding discs – including flat discs, angled discs, small curved discs, and large curved discs – suitable for smoothing or cutting; a comprehensive tool set designed to meet all your needs. 【Compatibility】This woodworking and carving disc is compatible with all standard 115 mm or 125 mm angle grinders with a 22.2 mm (7/8 \") spindle. These high-quality wood carving tools are suitable for use with both standard angle grinders and handheld grinders. 【Efficient and Practical】The tungsten carbide teeth consist of hundreds of extremely sharp blades that quickly remove sawdust and can withstand hundreds of grinding cycles, allowing you to realize your creative ideas more efficiently. 【Wide Range of Applications】These grinding discs are suitable for non-metallic and relatively soft materials. They are mainly used for woodworking, root carving, tea tray carving, debarking, chamfering, trimming, deburring, polishing, manual DIY projects, and more.