Harfington Metal Square Ruler 7 Inch Aluminum Alloy Carpenter Square Metric Woodworking Rafter Square Precision Scribing Tools with Rafter Conversion Table for Measuring and Marking Green

Material - This metal triangle ruler is made of aluminum alloy material, with high hardness and good toughness; The surface is anodized to form a dense protective film, effectively isolating corrosive factors such as moisture, wood chips, oil dirt, etc; The surface is smooth and free of burrs.

Feature - This square carpenter tool adopts laser engraving scale technology, with fine and clear scale lines, accurate readings, and strict calibration for every millimeter and inch scale, with an error controlled within ± 0.1 mm; The accuracy of marking and measurement is high.

Application - This square tool, with its precision and durability, is widely suitable for various professional scenarios, such as woodworking, building decoration, hardware processing, manual DIY, teaching and training, etc; It is a powerful assistant for practitioners in multiple industries.

Note - Please do not use a measure tool as a pry bar, hammer, or other tool to avoid damaging the right angle edge and scale, which may affect measurement accuracy.