ITEM NAME:Profile Gauge 6-Inch Profile Replicator Tile Edge Profile Ruler for Copying H8M3 Profile Gauge 6-Inch Profile Replicator Tile Edge Profile Ruler for Copying H8M3 Powerful Gauge Contour gauge can be used to copy the shape of irregular items. contour gauge is more durable. Convenient Profile Duplicator Contour gauge has inch and metric scale on it. Press the profile ruler teeth against the object; Mark down the shape you need. colour:black + blue Material:plastic size:18*10.5*2cm Package Contents: 1 * 6inch Contour ruler