... /mm2. 4). Across Veins Tensile: 12. Different kinds of granite kerbstone with different standards-A,B,RV,RF,GV,GF,V22 ... ,R17. granite kerbstone with flamed/raw cut/bush hammered surfacesName: kerbstoneMaterial: grey/red ... /black/white granitePlace of origin: Yan Tai, ChinaStandard: EN-1343Specification: RV,GV,RF,GF,A,B,V22,R17,R15.....