supply of unbranded medium weight chipping hammer , medium weight chipping hammer packed in hard durable plastic (if no protective case is sup plied). acceptable make : bosch or similar. performance parameters: weight of chipping hammer in kgs- 2 9.5kg, the chipping hammer to be supplied with adjustable bits yes , power requirements230 v 50 hz, sin gle phase, power rating in watt - 2000, chiseling impact rate in bpm-1000, chiseling impact force in joules 69, noise level at 1 m distance when working in db-100, material of bit supplied high tensile steel. [ warra nty period: 30 months after the date of delivery ] ]