... -dropping line on the back surface.Popular granite stone colors for window sills:G602, G603, G664, G687, G635, G636, G614, G655, G654 ... , with or without stool, we cut and craft the stone window cill to each customer's unique designs.we can also ... , stone lintel, and stone mullions, which are compatiable with the window sills.In addition, we can also supply you other granite ...