tender for 1. helical gear(l.h),helical gear shaft(r.h) with key & spacer as perdrawing no. pl/spr/08/1740. 2. helical gear(r.h),helical gear shaft(l.h) with key as perdrawing no. pl/spr/08/1741. 3. output shaft with keys & spacer as per drawing no.pl/spr/08/1742.