EU Responsible Persons information: Name: PI NETWORK SARL Address:38 rue Dunois 75647 Paris CEDEX 13,75013,FR E-mail:friedlichrichter@outlook.com This merchant is committed to only offering products that comply with the General Product Safety Regulation.Features: 1.Premium Quality - Made of high quality diamond, so the defects of other blades can be effectively resolved.The Cutting Wheels are sharp and strong, making them perfect for Cutting gemstones, glass, geramics, porcelain, tiles, carbide, rocks, aluminium and copper,Easy and safe to operate, and also convenient to replace the broken one. 2.Great for all types of detail work in both hard and delicate materials.Suitable for most ferrous and non-ferrous metals, castings, welded joint .Accessories for fine detail work on jade, ceramic,glass, wood, hardened steel, cast iron, Ideal for cutting, grooving and trimming . 3.Diamond discs teeth are very sharp which ensure fast and fluent cutting, it will make your DIY or repairing work smooth. 4.There are many cutting discs in one set so that you can use for a long time. 5.Comes with 2 mandrels which will fit for many electric rotary tools,meet your various DIY application requirements. Specifications: Type : Diamond Grinding Blades Material: Diamond Size: 16/18/20/22/25/30/40/50mm Inner Diameter : 3 mm Rod Diameter : 3mm Thickness : 0.6mm Abour shaft length: 35mm Coating: Dual sided and edge Package Included: 10 PCS X Diamond Cutting Discs 2 PCS X Mandrel