It is made of high quality forged spring steel according to AREMA Standard ensuring high permanent clip strength and long durability in variety types,
e1209, e1800, e1809, e1817, e2001, e2006, e2007, e2009, e2039, e2055, e2056,
SKL1, SKL2, SKL3, SKL12,SKL14, SKL75,
PR309, PR401, PR601, etc