supply of hand drilling machine / digital wheel diameter gauge , impact drill similar to bosch model gsb 20-2 re having 800 watts hand drilling machine hammering with drilling range as drilling diameter in wood 25 / 40 mm , in concrete 20 mm, in steel 8 / 13 mm & in masonry 22 mm, chuck capacity , min./max. 1.5 ? 13 mm. accepted similar specification as above brand : bosch/ stanley/ makita/build skill or similar [ warrant y period: 30 months after the date of delivery ] ] , digital wheel diameter gauge model wd-2(e) with digital display measuring range 600 mm to 1400mm for bg wheels, least count- 0.1 mm, measuring accuracy = +/- 0.2mm, display built in led, facility to storing 100 readings in the gauges internal me mory, make-electronica or pie or riftek or microgerman or similar [ warranty period: 30 months after the date of delivery ] ]