4 X 3" Engineer's Steel Square, H & H Industrial Products, Mfr#: 4906-0004 | EnjoyTool | EnjoyTool - Quality Tools & Building Materials
4 X 3" Engineer's Steel Square, H & H Industrial Products, Mfr#: 4906-0004
4 X 3" Engineer’s Steel Square ~ Hardened and ground spring steel blades. ~ Stock is precision ground. ~ Accurate right angles both inside and outside.