wolfcraft my ruler Set 8623000 Converts the into a spirit level or marking gauge and allows you to pick up an inner dimension

4-piece set. Set with ruler and the three popular helpers of the successful -my folding ruler series, compatible with all standard rulers Marking gauge for rulers: transforms the ruler into a marker, centring pin for drawing circles Level for folding rulers: allows the use of the ruler according to the principle of a spirit level, level with water bladder for horizontal adjustment Internal dimensions adapter for folding rulers: folding function for exact measurement data in hard-to-reach places, screw for secure fixing of the position