(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