For use when a workpiece fixture incorporates Step Blocks into the design. These clamps have a serrated nose that exerts clamping force a 45? angle when tightened. TE-CO is a leader in workholding technology, which includes clamping and set-up tools, tooling components, inspection and gaging for CMM applications, spring loaded devices, hoist rings, Toolex vise workholding systems, and tooling plates and columns.