Center your work by mounting these into your drill chuck or collet and lining up the pointer with the mark on the shaft.

Locate and mark the centerline on rods, tubes, and pipes, lay out keyways, and establish angles for connections.

Align the level to find and mark the vertical center of curved surfaces.

Punch has two viewing lenses. One has a circle and dot and one has a crosshair to enable you to pinpoint the location where you need to punch. Replace the lens with one of the two included punches and strike it with a hammer to mark the hole center.

Attach to High-Accuracy Combination Square Blades with the included lockbolts.

Blades are for use with High-Accuracy Combination Square Heads.

Replace your try square, miter square, depth gauge, height gauge, center-point finder, and level. The blade on these squares meets Fed. Spec. GGG-R-791H, which establishes uniform standards for accuracy, graduations, and size.

Find the edge of a workpiece, align your setup, and inspect parts with one tool. Once installed in your milling machine spindle, these indicators can measure in three axes.

Install these gauges onto the jaws of electronic, dial, and vernier calipers to measure the center-to-center distance between two holes.

Find tube, pipe, fastener, wire, and drill bit sizes with one tool.

Insert directly into power screwdrivers, impact drivers, and other tools that accept a 1/4" hex shank.