... CertificateEN 12413 Standard Features: 1) We can supply grinding wheels and cutting wheels for steel or stone 2) Size: 4", 4-1/2 ... ", 5", 7", 9", 12", 14" and 16"It is used for ... straight and it works efficiently . It is suitable for cutting hollow-stell tubes ,thin iron plates, armor plates and metal , stainless steel ...