supply of cordless drill machine with battery & charger battery voltage-18v . , cordless drill machine with battery & charger battery voltage-18v , (4 ah li-ion battery,) dr ll cap- 4 mm to 20 mm weight including battery-3.2 kg, impact rate at rated speed-0-4550 rpm rated spee d-0-1800 rpm. make/model-bosch model no-gbh 180 li or makita 18v lxt hammer drill driver dhp482sfx 8 or dewalt dcd776s2-in or similar note:- 1. firm has to provide drill bits set with cordless drill machine su itable for railway coach maintenance. 2. firm shall be submit oem/authorized dealer certificate along with offer . [ warranty period: 30 months after the date of delivery ] ]