320A forged steel chain grab hooks for lifting 1.forged quenched and tempered 2.alloy steel ... 70 carbon steel grade 43 320A forged steel chain grab hooks for lifting1 Material:SS,alloy steel,carbon steel.2 surface ... , JIS, DIN, ASTM and BS Grab, slip, eye, clevis, swivel, G and Italian hookUS, European and Korean type