China Factory Cool Braided Leather Matte Black Stainless Steel Magnetic Bracelets Brand
- Sep 06, 2017-
At present, better shackle is generally used in alloy steel material, changed the past of ordinary carbon steel history. GB Shackle includes the general use of the shackle, the ship and the ordinary shackle buckle. Heavy weight, large volume, generally not installed in the location of the not often demolished. Select the shackle should pay attention to safety factor, generally 4 times times, 6 times times and 8 times times. Shackle use must strictly observe the rated load, excessive use and overload use is not allowed.