supply of set of impact wrench (2 items) , set of impact wrenche to the following specifications: 1.) set of heavy-duty robust multistage 1/2 inch square drive high-efficiency impact wrench with brushless dc motor. specification: a. three power stages for torque acceleration: >stage 1: 180 nm at 0-1000 rpm >stage 2: 400 nm at 0-2000 rpm >stage 3: 750 nm at 0-2450 rpm >amperage without load: 5.5 a b. two li-ion batteries per set, 18 v, 5 ah, one ba ttery charger per set, and attached belt clip on both sides of the device. c. dimensions including rechargea ble battery: 159 mm x 74 mm x 227 mm. d. weight without battery: 2.9 kg. e. sound power level: 98 db(a) lpw. f. forward and reverse multi-stage (right/left). g. vibration acceleration: 17.80 m/s. h. idle speed: >st age 1: 0-500 rpm >stage 2: 0-1000 rpm >stage 3: 0-2100 rpm i. charging temperature: 4 degree celcius t o 40 degree celcius . j. maximum storage temperature: 50 degree celcius . k. maximum loosening torque: 980 nm. l. machine head made of die-cast aluminum-impact resistant and durable. make: hazet (or) stawi lle (or) bondhus (or) bosch (or) milwakee (or ) dewalt (or) chicago pneumatics only, qty per set: 01 set. n ote: only oem (or) authorized dealer should. quote along with tender specific authorization from oem at t he time of tendering. non-compliance with any of the above conditions will lead to rejection of the offer. [ warranty period: 24 months after the date of delivery ] ] , set of impact wrench to the following specifications:set of multistage 3/4 square drive high-e fficiency robust bolt tightening and loosening wrench with brushless dc motor.specification:a. three power stages for torque acceleration and idle speed:>stage 1: maximum 500 revolutions/minute >stage 2: maxim um 1000 revolutions/minute >stage 3: maximum 1900 revolutions/minute >idle speed impact rate: 0-2350 revolutions/minute b. two li-ion rechargeable batteries, 18 v, 5 ah, and one battery charger.c. dimensions including rechargeable battery: 209 mm x 98 mm x 243 mm.d. weight without battery: 3.1 kg.e. machine head made of die-cast aluminum-impact resistant and durable.f. sound power level: 106.2 db(a) lpw.g. vib ration acceleration: 17.4 m/s.h. charging temperature: 4 degree celcius to 40 degree celcius and maximu m loosening torque: 2100 nm. make: hazet (or) stawille (or) bondhus (or) bosch (or) milwakee (or ) dewa lt (or) chicago pneumatics only, qty per set: 01 set. note: only oem (or) authorized dealer should. quote along with tender specific authorization from oem at the time of tendering. non-compliance with any of th e above conditions will lead to rejection of the offer. [ warranty period: 24 months after the date of deliv ery ] ]