High performance cutting with SPIN-ON system ZIP WHEEL is the top-performing cut-off wheel on the marketFaster, cooler, freer cutting and heavily reinforced for added safety, ZIP WHEEL provides premium performance while resisting twisting and bendingThis allows for a true, straight cut every timeThe end result is a wheel that improves worker safety while delivering the lowest cost-per-cut in the industry. Product Information Brand WALTER Part # 11T342 Arbor 5/8 Inch - 11 Diameter 4-1/2 Inch Grade A-60 Grit 60 Max RPM 13,300 Mineral Aluminum Oxide Origin Country IT Product Type Type 27S RPM 13300 Thickness 3/64 Inch Product InformationAluminum oxide abrasive grains for smooth cutting with agressive controlled bite Extra long wheel life Fast and free cutting Distinctive WALTER Curved Stripes Metal protective hub for added safety Quick and easy Spin-on mountingSuggested ApplicationCutting with angle grinders Flush cutting