supply of portable battery operated brushless cordless impact wrenchportable battery operated brushless cordless impact wrench,portable battery operated brushless cordless impact wrench of 1/2 drive for electric locomo tives having technical specifications as follows: -1.battery type:twin multiple variable voltage battery 2.b attery range : range to operate 18 v - 36v 3.forward tightening torque range:1045 ( min) & 1200 nm (m ax) 4.reverse torque range:1600 ( min) & 2050 nm (max) 5.capacity of hold bolt of size = between m12 t o m30 6. overall length = 215mm to 230mm 7. weight of device along with battery:up to 04 kgs. note:1. each portable battery operated cordless impact wrench to be supplied with 02 nos. of batteries & 01 no. of charger. [ warranty period: 30 months after the date of delivery ] ] , portable battery operated brushless cordless impact wrench of 3/4 drive for 8w-detc havin g technical specifications as follows: - 1.battery type:twin multiple variable voltage battery 2.battery ran ge : range to operate 18 v - 36v 3.forward tightening torque range:1045 ( min) & 1200 nm (max) 4.reve rse torque range:1600 ( min) & 2050 nm (max) 5.capacity of hold bolt of size = between m12 to m30 6.ov erall length = 215mm to 230mm 7.weight of device along with battery:up to 04 kgs. note:1.each portabl e battery operated cordless impact wrench to be supplied with 02 nos. of batteries & 01 no. of charger. [ warranty period: 30 months after the date of delivery ] ] , electrical hand portable drill machine reversible & variable double speed capacity 13 mm h aving specification as mentioned below:- chuck size = 1/2 inch ; drilling capacity (in steel) = 13 mm.; pow er rating = min.750 watt. or more; power supply = 220-240v,50hz +/- 10; maximum speed (rpm) = min.2 500 rpm or more; weight = max. 2.2 kg or less; motor type = brushed; body type = shockproof body. [ warranty period: 30 months after the date of delivery ] ] => limited