According to surface treatment :zinc plated, hot dip galvanized, drop forged

Specific kinds:                                   

commercial grade screw pin anchor shackle US type

bolt type safety anchor shackle US type

trawling chain shackle with square head screw pin

bolt type safety chain shackle US type

DIN 82101 shackle form A

commercial grade screw pin chain shackle

screw pin chain shackle US type

screw pin anchor shackle US type

round pin chain shackle US type

round pin anchor shackle US type

European type large dee shackle

European type large bow shackle

JIS type screw pin chain shackle with or without collar

JIS type screw pin anchor shackle with or without collar

JIS type screw pin chain shackle with counter sunk head

large dee BS3032 shackle

large bow BS3032 shackle