4 inch Small Square Tool with 0.7mm Mechanical Pencil Fixed Miter Angle Pin

https://www.amazon.com/dp/B0BM8WCYH7?ref=myi_title_dp This carpenters square imperial scales are calibrated by professionals before production. The scales lines are laser-printed, the quick square finishing features low glare and protective powder coated, which is clearly visible, easy to read, and will not wear out throng a long time.