Product instructions: Reinforced resin ultra-thin cutting blade wear-resistant, no broken edge and low dissipation for processed materials. and it is more suitable for ordinary metals, stainless steel can also be used. Often used to cut iron, steel, alloy, aluminum, stainless steel,metal and ect. The factory manufactures a good product in combination with German technology. Industrial manufacturing consumables will inevitably have a little smell. High-quality high-strength fiber materials have strong impact resistance, which can bring higher work efficiency and economic benefits. Size notes and specification: Materical: Fiber Reinforced Resin Diameter:100mm/3.93'' Hole diameter: 16mm Thickness:1.2mm There are other different sizes,if you want,please contact me. Material instructions: It uses high-quality glass fiber mesh cloth, high-strength fiber material, so that it has high tensile and strength for impact resistance and bending, and is widely used for cutting of ordinary steel, stainless steel and other materials. The unique ring hole design is made of high quality stainless steel, which is firm and not easy to fall off. Application scenes: Most of the mechanical products need to be processed. Usually, each product needs to be cut and shaped, and then to grind and polish for the next step, also it suits for personal home works or DIY. Safty attensions: When using this product, please pay attention to check the appropriate speed and wear personal protective equipment as required. Tips: Processing tips: watering the blade when cutting 1. More durable (reducing loss) . 2. More healthy (reducing dusty to protect good breathe). 3. More quiet environmentally friendly. 4. More Sharper. Specification: Color: Black,Green Material: Resin Size: As the picture Quantity: 5Pcs/Set Note: Size for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: (Without retail package) 5 x Resin Cutting Disc