KD-280A  3.6V SCREWDRIVER,3 HOUR CHARGE TIME  R.P.M:170 ,ADJUSTABLE TORQUE CONTROL  MAX TORQUE:25 KG-CM  (2 SPEED GEAR BOX FOR KD-282A) KD-303  4.8V DRILL DRIVER,3 HOUR CHARGE TIME  R.P.M:450,ADJUSTABLE TORQUE CONTROL  MAX TORQUE:50 KG-CM   KD-309A  4.8V DRILL DRIVER,3 HOUR CHARGE TIME  R.P.M:500,ADJUSTABLE TORQUE CONTROL  MAX TORQUE:55 KG-CM KD-308  4.8V DRILL DRIVER,3 HOUR CHARGE TIME  2 SPEED GEAR BOX,R.P.M:250/700  ADJUSTABLE TORQUE CONTROL  MAX TORQUE:60 KG-CM,    KD-363  7.2V DRILL DRIVER,3 HOUR CHARGE TIME  R.P.M:600,ADJUSTABLE TORQUE CONTROL  MAX TORQUE:75 KG-CM KD-363A  7.2V DRILL DRIVER,1 OR 3 HOUR CHARGE TIME  R.P.M:600,ADJUSTABLE TORQUE CONTROL  MAX TORQUE:75 KG-CM