supply of rotary hammer drill ndrfrotary hammer drill ndrf,supply of rotary hammer drill ndrf, power supply 230 v, 50hz, single phase, power rating 7 20 watt,, rotation speed 1500 rpm, imp rate 4800 imp, drill bits provided 05 nos. length of bits 30 cm, len gth of electric cord provided in metres6, noise level in 95.6 db when working within 1 mtr. distance, shock proof body chisel adjustment with mode selector switch for drilling/ chiselling- 36 position, suitable protecti ve carry case provided- yes warranty- minimum 1 year. make: bosch, dewalt, stanley, makita, ingco. [ wa rranty period: 30 months after the date of delivery ] ] elect.chargeman ang, cr maharashtra 3.00 numbers secttion eng.elect./ m / maharashtra 1.00 numbers