Straight shackles are generally divided into American, Japanese, European and national standards according to different standards. Type D shackles are also called straight shackles. The common connection methods of spadders include: wire rope joint connection, lower end connection of complete spadders, chain connection, etc., and most of them are used to connect two or more industrial products. Therefore, it is also called lifting shackle.

　　Straight carabiners are also often referred to as D-carabiners, so named because their shape resembles the capital D of the English letter. In addition to bow shackles, there are two common types of industrial shackles. Because of its fast connection speed, convenient disassembly, bearing tension, more widely used. Bow carabiners are also called horseshoe carabiners. The bow shackle has greater bearing capacity and is cast in one piece. Rugged and durable with extra strength and durability. Can be used in combination with other slings to lift or pull heavy objects.

　　Meaning of the letter mark on the shackle: CE is the CE certification for rigging, which is the European Union certification mark. If the device has CE certification, it means it has passed the EU certification. WLL in WLL+XT falls under the English workload limit. An abbreviation for a device that limits its work load to its rated load. The X in XT is a substitute for a number, and the T is Ton, which is the number that follows the rated load.

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