... )3053052045745720406406203006002061061020 Stone NameBlack Slate Stone FormBlocks,Slabs(Cut to sizes),Tiles, countertop. Vanitytops, and custom cutSurface FinishingPolished, Honed, Flamed, ... stone.Quality ControlThickness tolerance for tile: +-0.5mm;+-1mm.All products are checked by experienced QC then packed.Major MarketUSA ... form iron2. More Pictures for your reference Black Slate Wall Tiles