... -clip.DTV-II rail clip we supply:Product name: WJ-I rail clipMaterial: 60Si2Mn, 38Si7, 60Si2CrHardness Rockwell ranging from 44-48Surface ... , black, painted, bituminous coating or other specified by customersSeries:1) I- clip, II- clip, III- clip, IV- clip, V- clip, VI ... - clip, VII- clip, VII-I clip, E 2007 AV, Anti creeper, PR clip, Anchor clip ...