Review on HOUSTASK Protractor Laser Inside Carpenters Traditional by Robert Tirona

every corner in my uneven, non-square 100 year old house is 45 years old! Every last corner I tried resulted in the same reading. I feel like the huge round blob on the dial really gets in the way of the advertised angle. For example, if your wall has an arch in the corner, this thing won't tell you. I hope I'm just stupid and doing something wrong, but I don't know anymore.