supply of set of 03 different items. , set of 03 different items required as follows. a) 1 inch sq. drive pneumatic impact wrench along with 1/2 i nch hose pipe(20 metres length) having end fittings, suitable quick release couplings, frl & pneumatic tool oil 01 litre( cpa1014) to model : cp6773-d18d(6151590650) of m/s. chicago pneumatics make or its similar as per technical specif ications attached at annexure-a. qty/set. = 01 no. b) 1 inch sq. drive x 55mm impact sockets. qty/set. = 02 nos. c) 1 i nch sq. drive x 46mm impact sockets. qty/set. = 02 nos. note:[1] item to be supplied along with valid calibration test certificate of 01 year validity period from nabl accredited/ govt. approved labs. [2] warranty certificate shall be submit ted along with the material in the name of sse/m7/els/bza. [ warranty period: 12 months after the date of delivery ] ]