Review on IGaging 4 Precision Double Square by Narendra Thapa

12/12/2020 iGaging 4" Precision Double Square. So don't remove the blade too often as you will have to wiggle it a bit when putting it back in. The part that fits and locks the blade in the groove is"T" shaped and stuck so you have to look there first to line them up correctly. Then after installation the head doesn't slide smoothly, again I think because it's well designed runs true, seems a little too tight at the spring hang. Of course it's not, say, Starrett, but for the money it's ok. At least 1/64" square.