... According to bearing tonnage divided into link pulley,hook pulley,swinging ring pulley Double Wheels Swinging Ring Lifting Tackle 1. ... hanging things divided into link lifting pulley,hook lifting pulley,swinging ring lifting pulley,and hanger lifting block.3. ... into single pulley, two-door pulley and multi-door pulley.Parameter Product codeRated loadtDia. of rope mmDia. of wheel mmWeightkgCommonMax. ...