Tender For supply of 1) flat wire stone extractor 3fr-4wire basketflexible 5cm tip 3fr size115 cm length, 2) helical stone extractor 2.5fr 3 wire basket115cm length5cm tip length, 3) trapezoid wire-guided retreivel basket of dia 3cm & 4) helical stone extractor 3fr- 3 wire basket65cm length 5cm tip length