Circle cutter & Amtico tile edge trimmer replacement blades RWS160A, These are the correct blades for the RWS160 Adjustable circle cutter. These blades are available from stock in packs of six. As with all the blades we sell care must be taken when changing and disposing of these very sharp blades. Please note you must be over 18 to purchase this item. These are also correct for the Amteco Tile edge trimmer.