The clever multi-purpose drill hole level ruler patented by Chief Ling in 2009, it has a concealed spirit level close to the calibration for lining, assisting users in balancing the whole measuring device in any working places.
Due to the plastic making, this multi-purpose drill hole level ruler has light weight providing easy portability. It is definitely a competent helper in industrial construction, home DIY (such as easy carpentry), store wall decoration, etc.
Examples of usage are as follows.
1. Set the sliders on the position in which you’re going to fix holes
2. Line the wall according to calibration on the measuring tools and make two marks above it
3. Mark through the holes of sliders
4. Drilling the marks
5. Can be assembled with longer length. The maximum length: 150cm (3pieces assembled)
6. Color/logo can be custom-made
