... 2.Exquisite craft gravestone 3.Finished: polished 4.ISO9001 (2000) certif tombstone design with flower 1.Characteristic: Density: about 3.5g/cbm-4.5g ... simple shape, carving, sandblasted and so on.3.Tolerance of thinckness1cm: +/-0.5mm; 1.8cm: +/-1mm; 2cm: +/-2mm;4.Material ... ; and divided into Apex, Book, Canopy, Cross,flower, Diamond, Heart, Kerbset,with flower bed, Ogee, Oval, upright serp, and wing ...