... More than 85 degree, Thickness tolerance: +/-1mm Color:black,red,grey, ProductBlack Granite Book Style HeadstoneStyleSingle or double ... & heart style, cross & column styles, etcMaterialPopular color: Shanxi Black,G603,g502,G623,G633,G654,Multicolor Red,Paradiso, Indian Red ... material choosing, fabrication to package, our quality assurance people will strictly control each single and every process to ...