(1) Maximum 500 Nm. (2) 1/2” head. (3) 3.0Ah Li-ion battery x 2. (4) 50 min. charger. (5) 0-2,000 rpm / 0-2,600 ipm. (6) Durable aluminum gearbox housing. (7) Variable speed with reversible control and electric brake. (8) Externally changeable carbon brus