1) Mining chain with hook 2) Grade B, Grade C 3) Diameter: 10mm,12mm,14mm,16mm, 18mm, 22mm, 24mm, ... 25mm,from1/8" to 1"2)material: low carbon steel, Q235,Q1953)Surface treatment: Electrical galvanized, white-blue zinc ... wooden coil packing, in plastic reel packing, plastic drum, steel drum, carton, wooden box, with pallet and some other ... ,both trade and friendship to our mutual advantage. chain hook