6 inch STANLEY No.21 Combination Square *SOLD*
A very good example of the scarce 6 inch American STANLEY No.21 combination square.
This is the smallest of the No.21 squares.
Marked 'No.21 PAT.1-23-17' with the first STANLEY sweetheart trade mark, circa 1919-1920.
The No.21 square has the slotted steel rule fixed to the head with the two parts to able to 'flip' allowing left and right hand readings.
Graduated into eighths and sixteenths on both sides.
Some minor surface scratches and staining spots.