Tenders for Supply of Stainless Steel Bollard 65Nb X 1M Height. Wall Thickness Of The Post Is 5Mm. Q3 Stainless Steel Chain For Fitting In The Hooks Of Above Bollard. Chain Block Size Should Be Identica Q3 Stainless Steel Hexagonal Full Threaded Bolts With Single Plain Washers. Size: M12 X 45Mm Q3