- Linear Measurement upto 130mm in metric with L.C of 1.0mm.
- Angular Marking on 1.5″ round wooden block
- Dove tail marking of 1:7.
- Set the rafter in 90 degree.
- To check drill bit dia of 9.5 & 12mm
- To mark 45 degree cutting line on rafter joints.
This 45-45-90 degree set square is made of Brass Material with permanent etched graduations & markings of Linear Scale on all sides can be used for measurement upto 130mm in Metric & has a L.C 1mm. It can also be used for dovetail marking of 1:7, to set the rafter in 90 degree, for angular marking on 1.5″ round wooden block, to check drill bit dia of 9.5 & 12mm & also to mark 45degree cutting line on rafter joints.