supply of (1) protaper gp, (2) rotary file gpo 0.6% 25, (3) rotary file gpo 4% 15, (4) rotary file gpo 4%25, (5) rotary file gpo 4%25 , protaper gp- root canal filling carbide bur, taperd . sizes are - f 1 - 15 boxes, f 2 - 15 boxes , f 3 - 20 boxes . 60 pieces per box , total - 50 boxes [ warranty period: 30 months after the date of delive ry ] ] , rotary file gpo 0.6% 25 -gutta percha, barium sulphate points, no- 25 size 0.6 . filling mate rial in roots for root canal treatment. 60 pieces per box. total -10 boxes [ warranty period: 30 months aft er the date of delivery ] ] , rotary file gpo 4% 15, gutta percha, barium sulphate points , no - 15 size 0.4 . filling mater ials for root canal treatment. 60 pieces per box . total - 10 boxes [ warranty period: 30 months after the date of delivery ] ] , rotary file gpo 4%25 , gutta percha, barium sulphate points , no- 25 size-0.4. filling materia ls for root canal treatment. 60 pieces per box. total - 10 boxes [ warranty period: 30 months after the da te of delivery ] ] , rotary file gpo 4% 20 -gutta percha, barium sulphate points, no- 20 size 0.4. filling material in roots for root canal treatment.60 pieces per box. total - 10 boxes [ warranty period: 30 months after t he date of delivery ] ]