tender for pull lift 3/4 ton capacity, gearless hand operated machine., (1) frame work & lever : is-2062grade a, (2) chain wheel : is-1030-1982, (3) fastners : stainless steel conforming to grade a4, property class50 of bs 6105-1981. as per rdso drg. ti/spc/ohe/tool pl/1990 with a & c slip no. 1. accepted make:cmi, gdc, occ. [rdso approved sources only] .