tender for (1). flag handle steel pipes = 1000 nos; specification : 44 cm length x 2 cm dia. and thickness:2mm (2). iron dummies for pipeline in pneumatic circuit = 500 nos.; specification : round and hexagonalthreaded iron dummy one end 2.5 cm dia with thread 1.2 cm length; another end 2cm dia with thread 1cmlength (3). contactor wedges (iron) = 200 nos. specifications : 9 cm x 8 cm with spring loaded clamp model.note : one sample should be approved before bulk supply. ( pictures and drawings of the above items isenclosed) .