supply of double ended open spanners set & high grade chrome vanadium stee , double ended open spanners set vanadium chrome consisting of 12 pieces in each set. (6x7 , 8x9, 10x11, 12x13, 14x15, 16x17,18x19, 20x22, 21x23, 24x27, 25x28, 30x32) . [ warranty period: 30 months after the date of delivery ] ] , high grade chrome vanadium steel as per is 6131-1980 & 7381-1986 torque wrench 1/2 with set of 1/2 inch square drive bi hexagonal & hexagonal socket containing bi hexagonal sockets & hexagonal of size 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 26, 27, 28, 29, 30, 32, 33, 34 mm and the following accessories 1) ratchet handle 1/2 drive 2) extensi on bar 125 mm ,255 mm 1/2 drive 3) universal joint t-handle 1/2 drive, offered make: taparia o r equivalent of stanley. -firms offer:same as above, make: venus isi brand [ warranty period: 30 months after the date of delivery ] ]