A pair of the knuckles that go on the rear of our bench pins, or any other dovetail system tools. These are required to allow a tool mount onto one of our dovetails. Also compatible with GRS's Benchmate dovetail.
They are threaded 10-32, and need 10-32 screws to mount them onto your project or part. (Not included.)
To get your item to sit with its upper edge in line with the top of the dovetails, the mounting holes must be 3.650" apart, and 0.625" down from the upper edge of your part.
The distance between the holes is absolutely critical. A difference of 0.001" will cause the lock-up height of the final tool to move up or down by 0.010". (10-to-1 difference.) The holes should be 0.2" in diameter, but that's not as critical. (#7 drill)
