We have Makita DA6300 7.5 Amp 1/2-Inch Joist and Stud Drill with Product Detail All ball and needle bearings for long tool life 2 speed (300 rpm or 1,200 RPM) for increased drilling versatility Triple reduction gearing for maximum power Rocker type reversing switch for easy one handed change of bit rotation Powerful 7.5 amp motor for continuous production . The "Makita DA6300 7.5 Amp 1/2-Inch Joist and Stud Drill" is best product for you. We recommended Makita DA6300 7.5 Amp 1/2-Inch Joist and Stud Drill