We have Hitachi DH50SBK 2-Inch Spline Rotary Hammer with Product Detail Exclusive "mouthless idle" hammering mechanism requires less pressing force and extends service life Sealed grease system ensures minimal maintenance Special anti-vibration D-handle minimizes user fatigue Auto-stop carbon brushes protect armature No-load speed of 300 RPM and 2450 BPM . The "Hitachi DH50SBK 2-Inch Spline Rotary Hammer" is best product for you. We recommended Hitachi DH50SBK 2-Inch Spline Rotary Hammer