A rigging. The domestic market commonly used shackle, according to production standards are generally divided into standard, Japanese standard, American Standard three American Standard; the most commonly used because of its small size, large weight capacity and is widely used.

According to the species can be divided into G209 (BW), G210 (DW), G2130 (BX), G2150 (DX).

According to the type can be divided into the bow (OMEGA shaped) arch with female shackle and type D (type U or type D straight type) with female shackle;

According to the site can be divided into two kinds of marine and land use.

The safety factor of 4 times, 5 times, 6 times, even 8 times (such as the Swedish GUNNEBO super shackle).

The material, there is a common carbon steel, alloy steel, stainless steel, high strength steel. Surface treatment is divided into galvanized (hot plating and electroplating, painting, plating, Dacromet) (Dacormet).

The rated load of the shackle:

The common market American Standard shackle the specifications for the 0.33T, 0.5T, 0.75T, 1T, 1.5T, 2T, 3.25T, 4.75T, 6.5T, 8.5T, 9.5T, 12T, 13.5T, 17T, 25T, 35T, 55T, 85T, 120T, 150T. (the world's largest shackles can reach more than 1000T, the Swedish GUNNEBO heavy shackles of up to 1200T, CROSBY to 1500T America shackle. China can do 1500T the technology has reached the world advanced level).