The ryobi rid1801 one43 18v impact driver with keyless hex drive variable speed reverse and brake for total control on board bit storage for added convenience and grip zone overmould technology for improved comfort with a positive grip bare unit batteries sold separately compatible with all ryobi one43 batteries specification bit holder 635mm 14in no load speed 0 3200min impact rate 0 3400bpm max torque 220nm weight 12kg