(BT40 ER16 70 AD) G2.5 @20,000 RPM(BT40 ER16 100 AD) G2.5 @20,000 RPM(BT40 ER16 150 AD) G2.5 @20,000 RPM(BT40 ER16 160 AD) G2.5 @20,000 RPM(BT40 ER16 200 AD) G2.5 @20,000 RPM