supply of set of working tools consisting , set of working tools consisting of following items. 1. 3⁄4 inch square drive socket of size 46m m-01 nos. 2. heavy duty t handle 3⁄4 inch-01 nos. 3.square drive heavy duty 3⁄4 inch ratchet of 500 mm l ength-01 nos. 4.heavy duty extension of 440mm length for 3⁄4 inch socket and t-handle fitting.-01 nos. 5.h eavy duty extension of 350mm length for 3⁄4 inch socket and t-handle fitting-01 nos. 6.heavy duty t-hand le 1⁄2 inch square drive-01 nos. 7.heavy duty extension of 440mm length for 1⁄2 inch socket and t-handle f tting.-01 nos. 8.heavy duty extension of 350mm length for 1⁄2 inch socket and t-handle fitting-01 nos. [ w arranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]