or finding the centre point of a square or cylindrical object. Laser-engraved scales offer outstanding measurement accuracy with ruled markings in mm increments and a measuring capacity of 90mm. Can be used on objects with a diameter or width of up to 180mm. Can also be used for 45 and 90? mitre cut lines, ideal for an engineering workshop. Black aluminium with anodised finish for corrosion protection. Supplied in EVA foam tool storage tray.