... binder clip 1.size:51X32X22mm,weight:128g/pc 2.wire diameter:51mm 3.certificate:EN71,ROHS,REACH 4,costomized ... Binder clips details binder clip Material spring wire,pet coated iron wire ; steel wire plated Ni , paintingbinder clip magnetic noclip ... stylebinder clipbinder clip colorgolden,red,yellow,blue,green,orange,coffee ...