... : ABS,CCS,DNV,GL etc. we can supply you the anchor chain, anchor shackles,mooring chain, chain shackles,stud link ... chain, studless link chain, high tensile link chain and the chain's diameter is from 16mm to 140mm with Grade1 ... offer kinds of shackles ,swivels and so on .pls note the following details : SIZE inchW.L.L TONPIN DIA inchI. ... .161''8-1/21-1/83-3/164.74Image US. type screw pin bow shackle