1. E clip 1) Type: e1609.e1809.e1817.e2055.e2056.e2009.e2001.e2006.PR401.PR309. 2) Raw material: 60Si2MnA 2. Rail clip/Tension clamp 1) Type: SKL1, SKL3, SKL12, SKL14 2) Raw Material: 38Si7, 60Si2CrA 3) Surface: plain (oil); black paint; color paint; zinc; hdg; etc To lower the freight, according to your requirement to pack