Camel CGW 4" diameter Quickie Cut Thin reinforced cut off blades made of a mix of Zirconia and Aluminum Oxide grain provides faster cutting and longer life. Available in a Type 27 (depressed center) ZA60S Rigid Style with a thin cut (.045 thickness). Arbor Size: 5/8". Grain Size: Medium; Grade: Hard. For right angle grinders. Application: Steel/Stainless steel.