supply of half inch drive, cordless impact wrench , half inch drive, cordless impact wrench (lithium-ion technology), with deep impact sockets ( socket 10mm, 11mm,13mm,17mm, 19mm, 22mm, 24mm each one) technical specification :voltage: 18v, torque max: 180 nm, no load speed: 0- 2800 rpm, rated impact rate: 03-200 bpm, screw dia: m6-m16, too l holder: 1/2 inch external square, weight inclusive battery 1.7 kg. approx. make and model : bosch, model no. gds 18v, li (or) makita, dtw 190 jx1 (or) dewalt (or) groz make only. note: (1) item to be supplied al ong with warranty certificate.(2) firm should submit authorized dealership certificate along with the tender [ warranty period: 30 months after the date of delivery ] ]