1,Nabla clip/Nabla elastic rail clip 2,Material: 60Si2Mn 3,Hardness: HRC41-48 4.certificate:ISO9001:2008.SGS 5,OEM Products name: rail clipMaterial ... :1) I-clips,II-clip,III-clip,IV-clip,V-clip,VI-clip,V-clip,VI-clip,VII-clip,VIII-clip, e-2007,spring clip, Nikka clips,anchor clip,Pandrol clip2) Elastic ...