Key Features

• Uses the three wire method.
• Fits all micrometers with .245" to .312" anvils.
• No more lost thread wires in the chip pans.
• Specifically designed for rapid and accurate measurement.
• Each part fits two sizes of wire.

Product Description

As easy as selecting the proper wire sizes, matching the wire size with the proper P.D. Check, slipping two wires into the holder, placing the holder on the micrometer handle, holding the micrometer in one hand and the third wire in the other, and checking the threads. An accurate and inexpensive way to check threads. Makes thread triangles, thread Micrometers and all other current methods obsolete.