supply of procurement of 50 kg standard weight description/specification of weights hereunder: etc.procurement of 50 kg standard weight description/specification of weights hereunder: etc.,50 kg standard weight description/specification of weights hereunder: (1)specification: the standard weight & measures (general) rules 1987 or latest (2)denomination: 50 kg (3)material: cast iron in body & mild steel in handle 50 kg (4)shape: hexagonal with all the sides conically tapered towards the top and the remaining towards the bottom. with a certificate from the weights and measure department (directorate of legal metrology under consumer affairs department, govt. of west bengal) [ warranty period: 30 months after the date of delivery ]