Thresholds 

Thresholds 
Dimensions 36 x 4-6 Inch (Beveled, Single Hollywood, Double Hollywood)
Thickness 2, 3 CM, and others
Density 2.60 to 2.80 g/cm³
Hardness (Mohs Scale) 6-7
Finishes Polished, Honed, Flamed, and Leathered
Edge profiles Chamfered, Beveled, Pencil Round, Square Edge
Color Options Jet Black, Absolute Black, Steel Grey, Viscon White, Tan Brown, etc.