DINGQI 40 cm corner square, a basic tool for marking and checking a right angle. Without an accurate angle there is no straight cut or proper joint, so the corner square belongs on every carpentry and metalworking bench.
Questions and answers
What is the corner square used for?
For marking a cut line at 90° and checking whether a joint, frame or edge is at a right angle.
Does it have measuring marks?
Yes, the arm carries a millimetre scale so it also serves as a ruler.
What is the length of the arm?
40 cm, enough for boards, shelves and frames of standard widths.
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