Type 27 depressed-center wheel for use on all types of metal and masonry. Designed for offhand cut-off; operates at 90° angle. Also ideal for notching or cleaning pipes and weld beads. 5/8in. arbor. U.S.A. Wheel Diameter (in.) 4 1/2 Arbor Size (in.) 5/8 Wheels (qty.) 1 Wheel Type Type 27 Recommended Use Metal, Masonry