Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9 Electric Drill / 12 and RS550 Box DC Teeth 16.8V with Motor Gear 19500 14 14.4V 12V 18V RPM for 11 High Torque 25V Screwdriver 9