supply of high precision heavy duty weightless, cordless impact wrench 3/4 having 20mm capacity, with suitable battery and battery charger with working torque 800-950 nm and changeable speed option. the machine shall be equipped with bare brushless motor and one number spare 1/2 capacity hex head adaptor the machine shall be capable to loosening and opening of stubborn/rusted bolts upto 20 mm size make-dewalt, makita, ingco, krost only.high precision heavy duty weightless, cordless impact wrench 3/4 having 20mm capacity, with suitable battery and battery charger with working torque 800-950 nm and changeable speed option. the machine shall be equipped with bare brushless motor and one number spare 1/2 capacity hex head adaptor the machine shall be capable to loosening and opening of stubborn/rusted bolts upto 20 mm size make-dewalt, makita, ingco, krost only.,high precision heavy duty weightless, cordless impact wrench 3/4 having 20mm capacity, w ith suitable battery and battery charger with working torque 800-950 nm and changeable speed option. th e machine shall be equipped with bare brushless motor and one number spare 1/2 capacity hex head ada ptor the machine shall be capable to loosening and opening of stubborn/rusted bolts upto 20 mm size make -dewalt, makita, ingco, krost only. [ warranty period: 30 months after the date of delivery ] ] => limited