JM Spindle Cleaners feature an AT3, precision-taper cleaning head made from anodized aluminum. We offer spindle cleaner kits in 30, 40, 45, 50, HSK 63 and HSK 100 tapers that feature replaceable cleaning strips. Spindle cleaners come with a removable handle that can be used with all cleaning head tapers. WARNING: The steel alloy used in this product contains chromium and nickel. This product can expose you to chemicals including chromium and nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov