supply of heavy duty (three items)heavy duty (three items),heavy duty m.s. straight male hex nipple to size 1/2 bsp male threads at both en ds conforming to is-1239 part-ii. [ warranty period: 30 months after the date of delivery ] ] , heavy duty m.s. standard reducer adapter having 3/4 bsp male thread and 1/2 bsp female thread .conforming to is-1239 part-ii. [ warranty period: 30 months after the date of d elivery ] ] , heavy duty m.s. standard reducer adapter having 1 bsp male thread and 3/4 b sp female thread .conforming to is-1239 part-ii. [ warranty period: 30 months after the date of de livery ] ] => limited