supply of bakelite tubes (synthetic resin bonded paper tube in round shape) electrical grade, best quality, id-9.5 mm, od 12.7 mm, length 750mm. (ii) supply of glass sleeves in the size 4.00 mm x 1.00 mtr long and 16 mm x 1.00 mtr long suitable for , supply of bakelite tubes (synthetic resin bonded paper tube in roundshape) electrical grade,best quality, id-9.5 mm, od 12.7 mm, length 750mm ,type pf cp 81 ( dimension +/-5%, no negative tolerance allowed in length )and all specification as per approved g.t.p, sample and conforming to bs 6128:part 8:1982 with latest amendment. , supply of glass sleeves in the size 4.00 mm x 1.00 mtr long suitable for use in repairing of distribution transformer & as per relevant is: 11654-3-403(1989) with latest amendment and as per approved drawing & approved gtp. , supply of glass sleeves in the size 16.00 mm x 1.00 mtr long suitable for use in repairing of distribution transformer & as per relevant is: 11654-3-403(1989) with latest amendment and as per approved drawing & approved gtp.