Curbstone (paving stone,granite kerbstone) 1) Colors: Grey, yellow, white, pink. 2) Widely used for curbstones in garden Curbstone (paving stone,granite kerbstone)1) Colors: Grey, yellow, white, pink. 2) Widely used for curbstones in garden, commercial and residential, Building areas, plazas, seacoasts, railways and port station, construction. 3) Finishes: Fine picked, axed, sawn, bush hammered, ...