We have Hitachi W6V4 6.6 Amp Drywall Screwdriver with Product Detail 4,500 VSR RPM Soft elastomer covered body Depth Adjusting, detachable nose piece Aluminum Gear Case 6.6 Amp Motor . The "Hitachi W6V4 6.6 Amp Drywall Screwdriver" is best product for you. We recommended Hitachi W6V4 6.6 Amp Drywall Screwdriver