(1)Class: 4, 5, 6, 8, 10, 12 (2)Size: M6-M100 (3)Material: Carbon steel, stainless steel, alloy steel (4)Finish: Black, plain, zinc, HDG, etc (5)Packing: Standard export packing or according to your demand Manufacturer claims: (1)Competitive price with high quality (2)Various of Design (3)Ensure delivery in time (4)Nice solid packing
