3D vs 4D Laser Levels Guide: Precision in Construction

level4dLevel D is a Grade Level featuring 4th grade work. Like rarely B and most of the time Level C, it features Sweet T and other extra characters. Level D is the middle of all levels In iAbout this item 360 °Measurement 4 X 360°Green Laser s & 16 Laser s.HILDA Laser Level have 2 horizontal 360°plane, two vertical 360°planes. 16 laser s,