THE BLOCK TURNS AND LOCKS DOWN LIKE IT SHOULD. THE MOUNT HOLES ON THE BOTTOM ARE 3 1/8 APART O. THE CENTER STUD IS 1 5/8 X 1/8H APPROX.

THE DISTANCE FROM THE BOTTOM OF THE BASE PLATE TO THE CENTER OF THE SLOT FOR THE TOOL HOLDER IS 2 3/4 APPROX. THE SLOT FOR THE TOOL IS 11/16 APPROX. THERE ARE A COUPLE RUSTY SPOTS ON IT THE ASSEMBLY. ONE SET SCREWS IS MISSING ON THE BLOCK. THERE ARE MEASUREMENTS IN THE PICTURES.

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