Draper D20 20V Brushless 1/2 inch Mid-Torque Impact Wrench is part of the D20 series and is a brushless motor. Supplied with 2 x 4.0Ah batteries and 2.4A charger which fully charges a 4.0Ah battery in 110 mins.It features a 5 torque pre-sets - 100N, 150N, 200N, 300N, 400N, - super bright LED work light, belt clip and protective bump cover.All Draper tools are manufactured to high quality standards that are strictly controlled by Draper's quality control engineers.Specifications. Colour: Blue. Guarantee: 1 year. Battery: D20 20V Li-ion. Impact Rate: 0-3300bpm. No-load speed: 0-2200rpm. Max Torque: 400 Nm. Variable speed: 100N, 150N, 200N, 300N, 400N. Square Drive: 1/2". Batteries Per Item: 2x 4Ah. Charger Type: 2.4A. Supplied in Case: Yes. Weight (bare tool): 1.5kg