22" Ishii Tile Cutter place 22" tile on spring-loaded base against guide scale. Place scoring wheels back against the guide. Apply pressure as push forward. The 22X titanium coated scoring wheel has just scored the tile. Pull handle back to guide and apply T-foot to tile and push down. Diagonal cut 16" x 16" tile. Straight cut 22" x 22" tile. Tile cutting thickness 3/4".