Super thin cutting wheel 4''*3/64''*5/8''(105*1.2*16mm) 1.flat type,2nets,medium hardness 2.made of brown fused alumina,suitable for grinding medium and high tensile strength metal. 3.high tensile and brittle 4.used safely and long life 5.with ISO certificate. 1.1000pcs/carton 2.according to the customers' request.