nable clip,SKL clip,e-clip,W-clip.DTV-II rail clip material metal we supply: nable clipMaterial: 60Si2Mn, 38Si7, ... , bituminous coating or other specified by customersSeries:1) I- clip, II- clip, III- clip, IV- clip, V- clip, VI- clip, VII ... have a good relationship with our custmers railway nable clip clamp