... we supply:Product name: WJ-I rail clipMaterial: 60Si2Mn, 38Si7, 60Si2CrHardness Rockwell ranging from 44-48Surface can be plain, hot dip galvanized ... , zink plated, dacromet, geomet , black, painted, bituminous coating or other specified by customersSeries:1) I ... clip, IV- clip, V- clip, VI- clip, VII- clip, VII-I clip, E 2007 AV, Anti creeper, PR clip, Anchor clip ...