Product Details Precision Marking Squares are used to mark out the body of your piece and to achieve straight lines Milled to an exact 90° angle These precision squares are ideal for marking perfect corners, centralising stones and finding centres, create a square from a non-square piece of sheet. Also used to ensure a line is at right angles to another. Compact and rigid, they are made with carbon steel The size relates to the length of the vertical. Other sizes available: 3″ 75mm
