1,Nabla clip/Nabla elastic rail clip 2,Material: 60Si2Mn 3,Hardness: HRC41-48 4. ... zinc plated,bituminous coating or according to customers requirement.Series: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 ...