1,Nabla clip/Nabla elastic rail clip 2,Material: 60Si2Mn 3,Hardness: HRC41-48 4.certificate:ISO9001:2008.SGS 5,OEM ... ,spring clip, Nikka clips,anchor clip,Pandrol clip2) Elastic clip1609,elastic clip1809,elastic clip1817,elastic clip2007,elastic clip2055,elastic clip20113) SK1,SK3,SKL12,SKL14Market: Britain, Spain ...