tender for distance piece [copper] without burr on surface, size: 1.6 (+/-) 0.05 mm x 4 (+/-)0.05 mm x 22 (+/-) 0.1 mm as per drg. no. ios-784-759-alt-6. packing should not be morethan 5 kg. bags / polythene. material test certificate from nabl accredited lab isrequired.