Quickly and accurately mark centre lines on boards up to 2-1/2” (65mm) thick. The centre finder straddles your workpiece to mark a perfect centre line using the included pencil. Flip the CenterFinder™ on its side and this dual-use tool can be used to mark offsets between 1 and 20mm, ideal for marking rebates, mortices, and architraves. Features Centre hole holds the pencil in a perfect position as you scribe your line Offsets range from (1-20mm) in 1mm increments Notches for offset marking let you scribe off-centre lines Rare Earth magnet for easy storage on any metal surface Built-in pencil storage so you never lose your pencil