6 X 4" Engineer's Steel Square, H & H Industrial Products, Mfr#: 4906-0006 | EnjoyTool | EnjoyTool - Quality Tools & Building Materials
6 X 4" Engineer's Steel Square, H & H Industrial Products, Mfr#: 4906-0006
6 X 4" Engineer’s Steel Square ~ Hardened and ground spring steel blades. ~ Stock is precision ground. ~ Accurate right angles both inside and outside.