Top quality, Phoenix EXTRA THIN discs (115mm x 1.0mm x 22mm) are the fastest and most efficient blades for cutting both mild steel and stainless steel, sheet or bar, rusty or new. The disc can replace the hacksaw or snips in many applications. They have been designed for use where speed, efficiency and accuracy are all important. Manufactured in Europe to European safety standards. Use with 115mm angle grinders. Max RPM 13,200 Read \" 10 MUST-HAVE Restoration Tools \" from Technical Article .