... Threshold) as per your customized requirements. Material:natural granite,marble,quartz stone,etcRegular Size: 60" - 70" (Max length can be ... G682, G681, Tiger Skin White, Tiger Skin Red, Tiger Skin Yellow, Wave White, Maple Red, China Porino, Absolute Black, China Green, ... .we can also produce the granite,marble stone threshold, stone lintel, and stone mullions, which are compatiable with the window ...