Set of T Bolt Assembly as per ELW Drg. N [ Set of T Bolt Assembly as per ELW Drg. No. ELW/ BSL/ 4/ F64. 022. One set consisting of 3 items 96 Nos. ( 32 Nos. each ) Note: T Bolt Head Length should be 22 mm instead of 34 mm and bolt head curvature should be 2mm instead of 5. 5 mm. ]