supply of minimaly invasive cannulated pedicle screw set of four screw and two connecting rods.(any size any length) specification: 1) 4mm-7mm titanium colour coded screws. 2) should have reduction sleeve for multilevel fixation. 3) should come with all instruments needed for multi-level fixation/ reduction/ correction like reduction towers. 4) system should be compatible with navigation system.minimaly invasive cannulated pedicle screw set of four screw and two connecting rods.(any size any length) specification: 1) 4mm-7mm titanium colour coded screws. 2) should have reduction sleeve for multilevel fixation. 3) should come with all instruments needed for multi-level fixation/ reduction/ correction like reduction towers. 4) system should be compatible with navigation system.,minimaly invasive cannulated pedicle sew set of four sew and two con necting rods.(any size any length) specification: 1) 4mm-7mm titanium colour coded screws. 2 ) should have reduction sleeve for multilevel fixation. 3) should come with all instruments needed for multi-level fixation/ reduction/ correction like reduction towers. 4) system should be compatible with na vigation system. ] divisional railway hospital, p, maharashtra 15.00 numbers