90°. For measuring and inspecting squareness, parallelism and alignment. Made to BS939 : 1977 Grade A for flatness, straightness and squareness of working faces. Please note: This product can be calibrated externally by the user.
Specifications
Material
Granite
Overview
90°. For measuring and inspecting squareness, parallelism and alignment. Made to BS939 : 1977 Grade A for flatness, straightness and squareness of working faces. Please note: This product can be calibrated externally by the user.
