We have Milwaukee Core Drill Motor Motor: 450 / 900 with Product Detail Motor: Milwaukee 20 Amp. RPM: 2-speed 450/900. Clutch/Shear: Shear Pin. Horsepower: 1 h.p 8.25% sales tax applies to CA residents only. You will be contacted for additional charges . The "Milwaukee Core Drill Motor Motor: 450 / 900" is best product for you. We recommended Milwaukee Core Drill Motor Motor: 450 / 900