The graduated square is precision ground and blade hardened. The beams and blade are ground for parallelism. The accuracies is less than 0.001" deviation per inch over the entire length of the blade. Extremely useful for setting up workshop equipment.

The double square is one of the must-have woodworking and carpentry tools. Just like the speed square, try square, framing square, T square, and combination square, the double square works hand-in-glove to make your jobs such as squareness checking, marking, and scribing become easier. Professionals should have them all because when it comes down to it, each of them plays a unique role that makes them quite irreplaceable. The body of a double square consists of a head (handle) and a blade. The head can slide along the blade. Therefore, two things set this tool apart from other woodworking and machinist tools: firstly, they are adjustable, and secondly, they can be applied to check the squareness of corners from both ends. Speed square and try square is not adjustable.

The legs of these calipers pivot on a roller and are tensioned with a bow spring. available in internal and external form and in a range of sizes.

Fully automatic single hand operation. Inner punching mechanism triggered after pressing the device tip to the surface.